31240028418148 has 96 divisors (see below), whose sum is σ = 60565654679040. Its totient is φ = 13980841248000.

The previous prime is 31240028418121. The next prime is 31240028418167. The reversal of 31240028418148 is 84181482004213.

It is a super-2 number, since 2×31240028418148² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31240028418098 and 31240028418107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4691396043 + ... + 4691402701.

It is an arithmetic number, because the mean of its divisors is an integer number (630892236240).

Almost surely, 2^{31240028418148} is an apocalyptic number.

It is an amenable number.

31240028418148 is a deficient number, since it is larger than the sum of its proper divisors (29325626260892).

31240028418148 is a wasteful number, since it uses less digits than its factorization.

31240028418148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969 (or 10967 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The spelling of 31240028418148 in words is "thirty-one trillion, two hundred forty billion, twenty-eight million, four hundred eighteen thousand, one hundred forty-eight".