31325253494 has 4 divisors (see below), whose sum is σ = 46987880244. Its totient is φ = 15662626746.

The previous prime is 31325253451. The next prime is 31325253521. The reversal of 31325253494 is 49435252313.

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

It is a super-3 number, since 3×31325253494³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7831313372 + ... + 7831313375.

It is an arithmetic number, because the mean of its divisors is an integer number (11746970061).

Almost surely, 2^31325253494 is an apocalyptic number.

31325253494 is a deficient number, since it is larger than the sum of its proper divisors (15662626750).

31325253494 is a wasteful number, since it uses less digits than its factorization.

31325253494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15662626749.

The product of its digits is 388800, while the sum is 41.

The spelling of 31325253494 in words is "thirty-one billion, three hundred twenty-five million, two hundred fifty-three thousand, four hundred ninety-four".