20231522315 has 16 divisors (see below), whose sum is σ = 25594567488. Its totient is φ = 15321901056.

The previous prime is 20231522309. The next prime is 20231522393. The reversal of 20231522315 is 51322513202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20231522315 - 2⁶ = 20231522251 is a prime.

It is a Duffinian number.

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, 895682 + ... + 917991.

It is an arithmetic number, because the mean of its divisors is an integer number (1599660468).

Almost surely, 2^20231522315 is an apocalyptic number.

20231522315 is a deficient number, since it is larger than the sum of its proper divisors (5363045173).

20231522315 is a wasteful number, since it uses less digits than its factorization.

20231522315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813798.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20231522315 in words is "twenty billion, two hundred thirty-one million, five hundred twenty-two thousand, three hundred fifteen".