31452335040 has 112 divisors (see below), whose sum is σ = 114127068672. Its totient is φ = 7189103616.

The previous prime is 31452335039. The next prime is 31452335059. The reversal of 31452335040 is 4053325413.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 31452334989 and 31452335007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2333484 + ... + 2346923.

Almost surely, 2^31452335040 is an apocalyptic number.

31452335040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31452335040 is an abundant number, since it is smaller than the sum of its proper divisors (82674733632).

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

31452335040 is a wasteful number, since it uses less digits than its factorization.

31452335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680434 (or 4680424 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 31452335040 in words is "thirty-one billion, four hundred fifty-two million, three hundred thirty-five thousand, forty".