31504514053 has 4 divisors (see below), whose sum is σ = 33357720780. Its totient is φ = 29651307328.

The previous prime is 31504514047. The next prime is 31504514089. The reversal of 31504514053 is 35041540513.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9737347684 + 21767166369 = 98678^2 + 147537^2 .

It is a cyclic number.

It is not a de Polignac number, because 31504514053 - 2³³ = 22914579461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31504514003) 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, 926603338 + ... + 926603371.

It is an arithmetic number, because the mean of its divisors is an integer number (8339430195).

Almost surely, 2^31504514053 is an apocalyptic number.

It is an amenable number.

31504514053 is a deficient number, since it is larger than the sum of its proper divisors (1853206727).

31504514053 is a wasteful number, since it uses less digits than its factorization.

31504514053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853206726.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 31504514053 in words is "thirty-one billion, five hundred four million, five hundred fourteen thousand, fifty-three".