315033042031 has 4 divisors (see below), whose sum is σ = 315132081064. Its totient is φ = 314934003000.

The previous prime is 315033042013. The next prime is 315033042041. The reversal of 315033042031 is 130240330513.

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 315033042031 - 2¹³ = 315033033839 is a prime.

It is a super-2 number, since 2×315033042031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315033041987 and 315033042005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315033042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49514745 + ... + 49521106.

It is an arithmetic number, because the mean of its divisors is an integer number (78783020266).

Almost surely, 2^315033042031 is an apocalyptic number.

315033042031 is a deficient number, since it is larger than the sum of its proper divisors (99039033).

315033042031 is an equidigital number, since it uses as much as digits as its factorization.

315033042031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99039032.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 315033042031 its reverse (130240330513), we get a palindrome (445273372544).

The spelling of 315033042031 in words is "three hundred fifteen billion, thirty-three million, forty-two thousand, thirty-one".