2315315542031 has 2 divisors, whose sum is σ = 2315315542032. Its totient is φ = 2315315542030.

The previous prime is 2315315541997. The next prime is 2315315542049. The reversal of 2315315542031 is 1302455135132.

It is a happy number.

2315315542031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2315315542031 is a prime.

It is a super-2 number, since 2×2315315542031² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315315541982 and 2315315542000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2315315542081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157657771015 + 1157657771016.

It is an arithmetic number, because the mean of its divisors is an integer number (1157657771016).

Almost surely, 2^{2315315542031} is an apocalyptic number.

2315315542031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315315542031 is an equidigital number, since it uses as much as digits as its factorization.

2315315542031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 2315315542031 in words is "two trillion, three hundred fifteen billion, three hundred fifteen million, five hundred forty-two thousand, thirty-one".