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1342031143 = 2541152813
BaseRepresentation
bin100111111111101…
…1100010100100111
310110112021020122011
41033333130110213
510222024444033
6341100215051
745154035145
oct11777342447
93415236564
101342031143
116295a5952
1231553a487
1318506318b
14ca342595
157cc43ccd
hex4ffdc527

1342031143 has 4 divisors (see below), whose sum is σ = 1342109368. Its totient is φ = 1341952920.

The previous prime is 1342031113. The next prime is 1342031149. The reversal of 1342031143 is 3411302431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1342031143 - 229 = 805160231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342031149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996 + ... + 51817.

It is an arithmetic number, because the mean of its divisors is an integer number (335527342).

Almost surely, 21342031143 is an apocalyptic number.

1342031143 is a deficient number, since it is larger than the sum of its proper divisors (78225).

1342031143 is an equidigital number, since it uses as much as digits as its factorization.

1342031143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78224.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1342031143 is about 36633.7432294326. The cubic root of 1342031143 is about 1103.0305255336.

Adding to 1342031143 its reverse (3411302431), we get a palindrome (4753333574).

The spelling of 1342031143 in words is "one billion, three hundred forty-two million, thirty-one thousand, one hundred forty-three".

Divisors: 1 25411 52813 1342031143