31201303293 has 6 divisors (see below), whose sum is σ = 45068549214. Its totient is φ = 20800868856.

The previous prime is 31201303253. The next prime is 31201303327. The reversal of 31201303293 is 39230310213.

It can be written as a sum of positive squares in only one way, i.e., 25344003204 + 5857300089 = 159198^2 + 76533^2 .

It is not a de Polignac number, because 31201303293 - 2¹⁰ = 31201302269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201303253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1733405730 + ... + 1733405747.

It is an arithmetic number, because the mean of its divisors is an integer number (7511424869).

Almost surely, 2^31201303293 is an apocalyptic number.

It is an amenable number.

31201303293 is a deficient number, since it is larger than the sum of its proper divisors (13867245921).

31201303293 is a wasteful number, since it uses less digits than its factorization.

31201303293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466811483 (or 3466811480 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 31201303293 in words is "thirty-one billion, two hundred one million, three hundred three thousand, two hundred ninety-three".