31375103023 has 4 divisors (see below), whose sum is σ = 34227385128. Its totient is φ = 28522820920.

The previous prime is 31375102943. The next prime is 31375103033. The reversal of 31375103023 is 32030157313.

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

It is not a de Polignac number, because 31375103023 - 2¹³ = 31375094831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31375102982 and 31375103000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31375103033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426141036 + ... + 1426141057.

It is an arithmetic number, because the mean of its divisors is an integer number (8556846282).

Almost surely, 2^31375103023 is an apocalyptic number.

31375103023 is a deficient number, since it is larger than the sum of its proper divisors (2852282105).

31375103023 is a wasteful number, since it uses less digits than its factorization.

31375103023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852282104.

The product of its (nonzero) digits is 5670, while the sum is 28.

The spelling of 31375103023 in words is "thirty-one billion, three hundred seventy-five million, one hundred three thousand, twenty-three".