47312531240188 has 12 divisors (see below), whose sum is σ = 82852835777712. Its totient is φ = 23640292446560.

The previous prime is 47312531240159. The next prime is 47312531240243. The reversal of 47312531240188 is 88104213521374.

It is a happy number.

It is a super-2 number, since 2×47312531240188² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3993286720 + ... + 3993298567.

It is an arithmetic number, because the mean of its divisors is an integer number (6904402981476).

Almost surely, 2^{47312531240188} is an apocalyptic number.

It is an amenable number.

47312531240188 is a deficient number, since it is larger than the sum of its proper divisors (35540304537524).

47312531240188 is a wasteful number, since it uses less digits than its factorization.

47312531240188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7986586772 (or 7986586770 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 47312531240188 in words is "forty-seven trillion, three hundred twelve billion, five hundred thirty-one million, two hundred forty thousand, one hundred eighty-eight".