31836532740 has 48 divisors (see below), whose sum is σ = 94385958912. Its totient is φ = 7990345216.

The previous prime is 31836532697. The next prime is 31836532789. The reversal of 31836532740 is 4723563813.

It is a junction number, because it is equal to n+sod(n) for n = 31836532692 and 31836532701.

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, 15605124 + ... + 15607163.

It is an arithmetic number, because the mean of its divisors is an integer number (1966374144).

Almost surely, 2^31836532740 is an apocalyptic number.

31836532740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31836532740 is an abundant number, since it is smaller than the sum of its proper divisors (62549426172).

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

31836532740 is a wasteful number, since it uses less digits than its factorization.

31836532740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31212316 (or 31212314 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 31836532740 in words is "thirty-one billion, eight hundred thirty-six million, five hundred thirty-two thousand, seven hundred forty".