31534042120503 has 16 divisors (see below), whose sum is σ = 45306301084800. Its totient is φ = 19394142584544.

The previous prime is 31534042120447. The next prime is 31534042120541. The reversal of 31534042120503 is 30502124043513.

It is not a de Polignac number, because 31534042120503 - 2¹⁷ = 31534041989431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31534042120003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237887001 + ... + 238019522.

It is an arithmetic number, because the mean of its divisors is an integer number (2831643817800).

Almost surely, 2^{31534042120503} is an apocalyptic number.

31534042120503 is a deficient number, since it is larger than the sum of its proper divisors (13772258964297).

31534042120503 is a wasteful number, since it uses less digits than its factorization.

31534042120503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475908238.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 31534042120503 in words is "thirty-one trillion, five hundred thirty-four billion, forty-two million, one hundred twenty thousand, five hundred three".