315155212354031 has 4 divisors (see below), whose sum is σ = 360177385547472. Its totient is φ = 270133039160592.

The previous prime is 315155212353997. The next prime is 315155212354033. The reversal of 315155212354031 is 130453212551513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315155212354031 - 2²⁶ = 315155145245167 is a prime.

It is a super-2 number, since 2×315155212354031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315155212354031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315155212354033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22511086596710 + ... + 22511086596723.

It is an arithmetic number, because the mean of its divisors is an integer number (90044346386868).

Almost surely, 2^{315155212354031} is an apocalyptic number.

315155212354031 is a deficient number, since it is larger than the sum of its proper divisors (45022173193441).

315155212354031 is an equidigital number, since it uses as much as digits as its factorization.

315155212354031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45022173193440.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 315155212354031 in words is "three hundred fifteen trillion, one hundred fifty-five billion, two hundred twelve million, three hundred fifty-four thousand, thirty-one".