31545352450403 has 16 divisors (see below), whose sum is σ = 35909552938752. Its totient is φ = 27430574028000.

The previous prime is 31545352450333. The next prime is 31545352450411. The reversal of 31545352450403 is 30405425354513.

It is not a de Polignac number, because 31545352450403 - 2³⁴ = 31528172581219 is a prime.

It is a super-2 number, since 2×31545352450403² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31545352450453) 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 15 ways as a sum of consecutive naturals, for example, 60323288 + ... + 60843978.

It is an arithmetic number, because the mean of its divisors is an integer number (2244347058672).

Almost surely, 2^{31545352450403} is an apocalyptic number.

31545352450403 is a deficient number, since it is larger than the sum of its proper divisors (4364200488349).

31545352450403 is a wasteful number, since it uses less digits than its factorization.

31545352450403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760186.

The product of its (nonzero) digits is 2160000, while the sum is 44.

The spelling of 31545352450403 in words is "thirty-one trillion, five hundred forty-five billion, three hundred fifty-two million, four hundred fifty thousand, four hundred three".