631272371 has 8 divisors (see below), whose sum is σ = 634014000. Its totient is φ = 628536832.

The previous prime is 631272349. The next prime is 631272413. The reversal of 631272371 is 173272136.

631272371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 631272371 - 2⁶ = 631272307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631272311) 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, 420380 + ... + 421878.

It is an arithmetic number, because the mean of its divisors is an integer number (79251750).

Almost surely, 2^631272371 is an apocalyptic number.

631272371 is a deficient number, since it is larger than the sum of its proper divisors (2741629).

631272371 is a wasteful number, since it uses less digits than its factorization.

631272371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

The product of its digits is 10584, while the sum is 32.

The square root of 631272371 is about 25125.1342483976. The cubic root of 631272371 is about 857.8386192785.

The spelling of 631272371 in words is "six hundred thirty-one million, two hundred seventy-two thousand, three hundred seventy-one".