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1342043031 = 372367113367
BaseRepresentation
bin100111111111101…
…1111001110010111
310110112021211221110
41033333133032113
510222030334111
6341100350103
745154114620
oct11777371627
93415254843
101342043031
1162960387a
12315545333
13185068704
14ca346a47
157cc475a6
hex4ffdf397

1342043031 has 64 divisors (see below), whose sum is σ = 2190901248. Its totient is φ = 714244608.

The previous prime is 1342042991. The next prime is 1342043033. The reversal of 1342043031 is 1303402431.

It is not a de Polignac number, because 1342043031 - 26 = 1342042967 is a prime.

It is a super-2 number, since 2×13420430312 = 3602158994111333922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1342042989 and 1342043007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342043033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3656610 + ... + 3656976.

It is an arithmetic number, because the mean of its divisors is an integer number (34232832).

Almost surely, 21342043031 is an apocalyptic number.

1342043031 is a deficient number, since it is larger than the sum of its proper divisors (848858217).

1342043031 is a wasteful number, since it uses less digits than its factorization.

1342043031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1342043031 is about 36633.9054838547. The cubic root of 1342043031 is about 1103.0337824844.

Adding to 1342043031 its reverse (1303402431), we get a palindrome (2645445462).

The spelling of 1342043031 in words is "one billion, three hundred forty-two million, forty-three thousand, thirty-one".

Divisors: 1 3 7 21 23 67 69 113 161 201 339 367 469 483 791 1101 1407 1541 2373 2569 2599 4623 7571 7707 7797 8441 10787 18193 22713 24589 25323 32361 41471 52997 54579 59087 73767 124413 158991 172123 174133 177261 290297 516369 522399 565547 870891 953833 1218931 1696641 2778557 2861499 3656793 3958829 6676831 8335671 11876487 19449899 20030493 58349697 63906811 191720433 447347677 1342043031