47310988031 has 4 divisors (see below), whose sum is σ = 47523145152. Its totient is φ = 47098830912.

The previous prime is 47310988009. The next prime is 47310988097. The reversal of 47310988031 is 13088901374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47310988031 - 2²² = 47306793727 is a prime.

It is a super-2 number, since 2×47310988031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47310988531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106078226 + ... + 106078671.

It is an arithmetic number, because the mean of its divisors is an integer number (11880786288).

Almost surely, 2^47310988031 is an apocalyptic number.

47310988031 is a deficient number, since it is larger than the sum of its proper divisors (212157121).

47310988031 is a wasteful number, since it uses less digits than its factorization.

47310988031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212157120.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 47310988031 in words is "forty-seven billion, three hundred ten million, nine hundred eighty-eight thousand, thirty-one".