2315015225531 has 8 divisors (see below), whose sum is σ = 2428868435328. Its totient is φ = 2203610472000.

The previous prime is 2315015225489. The next prime is 2315015225573. The reversal of 2315015225531 is 1355225105132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2315015225489) and next prime (2315015225573).

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

It is a cyclic number.

It is not a de Polignac number, because 2315015225531 - 2¹⁴ = 2315015209147 is a prime.

It is a super-2 number, since 2×2315015225531² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315015225491 and 2315015225500.

It is not an unprimeable number, because it can be changed into a prime (2315015215531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612112130 + ... + 612115911.

It is an arithmetic number, because the mean of its divisors is an integer number (303608554416).

Almost surely, 2^{2315015225531} is an apocalyptic number.

2315015225531 is a deficient number, since it is larger than the sum of its proper divisors (113853209797).

2315015225531 is a wasteful number, since it uses less digits than its factorization.

2315015225531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224228133.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 2315015225531 in words is "two trillion, three hundred fifteen billion, fifteen million, two hundred twenty-five thousand, five hundred thirty-one".