31420514452 has 24 divisors (see below), whose sum is σ = 60751688256. Its totient is φ = 14143248768.

The previous prime is 31420514407. The next prime is 31420514459. The reversal of 31420514452 is 25441502413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420514459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10043358 + ... + 10046485.

It is an arithmetic number, because the mean of its divisors is an integer number (2531320344).

Almost surely, 2^31420514452 is an apocalyptic number.

It is an amenable number.

31420514452 is a deficient number, since it is larger than the sum of its proper divisors (29331173804).

31420514452 is a wasteful number, since it uses less digits than its factorization.

31420514452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20089887 (or 20089885 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 31420514452 in words is "thirty-one billion, four hundred twenty million, five hundred fourteen thousand, four hundred fifty-two".