321112615130 has 8 divisors (see below), whose sum is σ = 578002707252. Its totient is φ = 128445046048.

The previous prime is 321112615073. The next prime is 321112615139. The reversal of 321112615130 is 31516211123.

It can be written as a sum of positive squares in 2 ways, for example, as 277043269801 + 44069345329 = 526349^2 + 209927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×321112615130² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321112615130.

It is not an unprimeable number, because it can be changed into a prime (321112615139) 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, 16055630747 + ... + 16055630766.

Almost surely, 2^321112615130 is an apocalyptic number.

321112615130 is a deficient number, since it is larger than the sum of its proper divisors (256890092122).

321112615130 is a wasteful number, since it uses less digits than its factorization.

321112615130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32111261520.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 321112615130 its reverse (31516211123), we get a palindrome (352628826253).

The spelling of 321112615130 in words is "three hundred twenty-one billion, one hundred twelve million, six hundred fifteen thousand, one hundred thirty".