31452513475 has 24 divisors (see below), whose sum is σ = 40607400960. Its totient is φ = 24145824000.

The previous prime is 31452513473. The next prime is 31452513509. The reversal of 31452513475 is 57431525413.

It is not a de Polignac number, because 31452513475 - 2¹ = 31452513473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31452513473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188995 + ... + 314044.

It is an arithmetic number, because the mean of its divisors is an integer number (1691975040).

Almost surely, 2^31452513475 is an apocalyptic number.

31452513475 is a deficient number, since it is larger than the sum of its proper divisors (9154887485).

31452513475 is a wasteful number, since it uses less digits than its factorization.

31452513475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503151 (or 503146 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The spelling of 31452513475 in words is "thirty-one billion, four hundred fifty-two million, five hundred thirteen thousand, four hundred seventy-five".