3115172203204 has 6 divisors (see below), whose sum is σ = 5451551355614. Its totient is φ = 1557586101600.

The previous prime is 3115172203151. The next prime is 3115172203211. The reversal of 3115172203204 is 4023022715113.

It can be written as a sum of positive squares in only one way, i.e., 2431110876804 + 684061326400 = 1559202^2 + 827080^2 .

It is a super-2 number, since 2×3115172203204² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389396525397 + ... + 389396525404.

Almost surely, 2^{3115172203204} is an apocalyptic number.

It is an amenable number.

3115172203204 is a deficient number, since it is larger than the sum of its proper divisors (2336379152410).

3115172203204 is a wasteful number, since it uses less digits than its factorization.

3115172203204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778793050805 (or 778793050803 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

Adding to 3115172203204 its reverse (4023022715113), we get a palindrome (7138194918317).

The spelling of 3115172203204 in words is "three trillion, one hundred fifteen billion, one hundred seventy-two million, two hundred three thousand, two hundred four".