3115522431 has 24 divisors (see below), whose sum is σ = 5366699520. Its totient is φ = 1702893456.

The previous prime is 3115522429. The next prime is 3115522451. The reversal of 3115522431 is 1342255113.

It is not a de Polignac number, because 3115522431 - 2¹ = 3115522429 is a prime.

It is a super-2 number, since 2×3115522431² = 19412960036128299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3115522395 and 3115522404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115522451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1073611 + ... + 1076508.

It is an arithmetic number, because the mean of its divisors is an integer number (223612480).

Almost surely, 2^3115522431 is an apocalyptic number.

3115522431 is a deficient number, since it is larger than the sum of its proper divisors (2251177089).

3115522431 is a wasteful number, since it uses less digits than its factorization.

3115522431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150155 (or 2150152 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3115522431 is about 55816.8651126163. The cubic root of 3115522431 is about 1460.5293681493.

Adding to 3115522431 its reverse (1342255113), we get a palindrome (4457777544).

It can be divided in two parts, 31155 and 22431, that multiplied together give a triangular number (698837805 = T₃₇₃₈₅).

The spelling of 3115522431 in words is "three billion, one hundred fifteen million, five hundred twenty-two thousand, four hundred thirty-one".