351130342342531 has 4 divisors (see below), whose sum is σ = 351130470665752. Its totient is φ = 351130214019312.

The previous prime is 351130342342489. The next prime is 351130342342609. The reversal of 351130342342531 is 135243243031153.

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 351130342342531 - 2²⁵ = 351130308788099 is a prime.

It is a super-2 number, since 2×351130342342531² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351130342342231) 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, 59965701 + ... + 65560246.

It is an arithmetic number, because the mean of its divisors is an integer number (87782617666438).

Almost surely, 2^{351130342342531} is an apocalyptic number.

351130342342531 is a deficient number, since it is larger than the sum of its proper divisors (128323221).

351130342342531 is a wasteful number, since it uses less digits than its factorization.

351130342342531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128323220.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 351130342342531 its reverse (135243243031153), we get a palindrome (486373585373684).

The spelling of 351130342342531 in words is "three hundred fifty-one trillion, one hundred thirty billion, three hundred forty-two million, three hundred forty-two thousand, five hundred thirty-one".