47948231631 has 8 divisors (see below), whose sum is σ = 63933449904. Its totient is φ = 31964250560.

The previous prime is 47948231599. The next prime is 47948231633. The reversal of 47948231631 is 13613284974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47948231631 - 2⁵ = 47948231599 is a prime.

It is a super-2 number, since 2×47948231631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47948231633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214740 + ... + 376841.

It is an arithmetic number, because the mean of its divisors is an integer number (7991681238).

Almost surely, 2^47948231631 is an apocalyptic number.

47948231631 is a deficient number, since it is larger than the sum of its proper divisors (15985218273).

47948231631 is a wasteful number, since it uses less digits than its factorization.

47948231631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618601.

The product of its digits is 870912, while the sum is 48.

The spelling of 47948231631 in words is "forty-seven billion, nine hundred forty-eight million, two hundred thirty-one thousand, six hundred thirty-one".