316511510252 has 48 divisors (see below), whose sum is σ = 640814254080. Its totient is φ = 133985022912.

The previous prime is 316511510233. The next prime is 316511510281. The reversal of 316511510252 is 252015115613.

It is a super-2 number, since 2×316511510252² (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 15 ways as a sum of consecutive naturals, for example, 980813 + ... + 1262939.

It is an arithmetic number, because the mean of its divisors is an integer number (13350296960).

Almost surely, 2^316511510252 is an apocalyptic number.

It is an amenable number.

316511510252 is an abundant number, since it is smaller than the sum of its proper divisors (324302743828).

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

316511510252 is a wasteful number, since it uses less digits than its factorization.

316511510252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282630 (or 282628 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 316511510252 its reverse (252015115613), we get a palindrome (568526625865).

The spelling of 316511510252 in words is "three hundred sixteen billion, five hundred eleven million, five hundred ten thousand, two hundred fifty-two".