351012525320 has 32 divisors (see below), whose sum is σ = 794141613720. Its totient is φ = 139629288960.

The previous prime is 351012525313. The next prime is 351012525349. The reversal of 351012525320 is 23525210153.

It can be written as a sum of positive squares in 4 ways, for example, as 251107223236 + 99905302084 = 501106^2 + 316078^2 .

It is a super-2 number, since 2×351012525320² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24233957 + ... + 24248436.

Almost surely, 2^351012525320 is an apocalyptic number.

It is an amenable number.

351012525320 is an abundant number, since it is smaller than the sum of its proper divisors (443129088400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351012525320 is a wasteful number, since it uses less digits than its factorization.

351012525320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48482585 (or 48482581 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 351012525320 its reverse (23525210153), we get a palindrome (374537735473).

The spelling of 351012525320 in words is "three hundred fifty-one billion, twelve million, five hundred twenty-five thousand, three hundred twenty".