Search a number
-
+
1042201131 = 3347400377
BaseRepresentation
bin111110000111101…
…011101000101011
32200122002022011220
4332013223220223
54113300414011
6251225553123
734553364156
oct7607535053
92618068156
101042201131
11495328154
122510457a3
13137bc487a
149c5b4c9d
156176a506
hex3e1eba2b

1042201131 has 4 divisors (see below), whose sum is σ = 1389601512. Its totient is φ = 694800752.

The previous prime is 1042201081. The next prime is 1042201151. The reversal of 1042201131 is 1311022401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1042201131 - 26 = 1042201067 is a prime.

It is a super-2 number, since 2×10422011312 = 2172366394915358322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042201131.

It is not an unprimeable number, because it can be changed into a prime (1042201151) 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, 173700186 + ... + 173700191.

It is an arithmetic number, because the mean of its divisors is an integer number (347400378).

Almost surely, 21042201131 is an apocalyptic number.

1042201131 is a deficient number, since it is larger than the sum of its proper divisors (347400381).

1042201131 is an equidigital number, since it uses as much as digits as its factorization.

1042201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347400380.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1042201131 is about 32283.1400424432. The cubic root of 1042201131 is about 1013.8736746877.

Adding to 1042201131 its reverse (1311022401), we get a palindrome (2353223532).

The spelling of 1042201131 in words is "one billion, forty-two million, two hundred one thousand, one hundred thirty-one".

Divisors: 1 3 347400377 1042201131