31453055140 has 48 divisors (see below), whose sum is σ = 71240621760. Its totient is φ = 11595749760.

The previous prime is 31453055131. The next prime is 31453055147. The reversal of 31453055140 is 4155035413.

It is not an unprimeable number, because it can be changed into a prime (31453055147) 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, 79555 + ... + 263125.

It is an arithmetic number, because the mean of its divisors is an integer number (1484179620).

Almost surely, 2^31453055140 is an apocalyptic number.

It is an amenable number.

31453055140 is an abundant number, since it is smaller than the sum of its proper divisors (39787566620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31453055140 is a wasteful number, since it uses less digits than its factorization.

31453055140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184252 (or 184250 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 31453055140 in words is "thirty-one billion, four hundred fifty-three million, fifty-five thousand, one hundred forty".