31325034353533 has 16 divisors (see below), whose sum is σ = 34479192268800. Its totient is φ = 28326811019760.

The previous prime is 31325034353491. The next prime is 31325034353567. The reversal of 31325034353533 is 33535343052313.

It is a de Polignac number, because none of the positive numbers 2^k-31325034353533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31325034353533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325034353593) 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, 74615313 + ... + 75033958.

It is an arithmetic number, because the mean of its divisors is an integer number (2154949516800).

Almost surely, 2^{31325034353533} is an apocalyptic number.

It is an amenable number.

31325034353533 is a deficient number, since it is larger than the sum of its proper divisors (3154157915267).

31325034353533 is a wasteful number, since it uses less digits than its factorization.

31325034353533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149649792.

The product of its (nonzero) digits is 2187000, while the sum is 43.

The spelling of 31325034353533 in words is "thirty-one trillion, three hundred twenty-five billion, thirty-four million, three hundred fifty-three thousand, five hundred thirty-three".