2140320631 has 8 divisors (see below), whose sum is σ = 2240483328. Its totient is φ = 2042103000.

The previous prime is 2140320613. The next prime is 2140320667. The reversal of 2140320631 is 1360230412.

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 2140320631 - 2⁵ = 2140320599 is a prime.

It is a super-2 number, since 2×2140320631² = 9161944806968476322, which 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 (2140320601) 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, 484015 + ... + 488416.

It is an arithmetic number, because the mean of its divisors is an integer number (280060416).

Almost surely, 2^2140320631 is an apocalyptic number.

2140320631 is a deficient number, since it is larger than the sum of its proper divisors (100162697).

2140320631 is an equidigital number, since it uses as much as digits as its factorization.

2140320631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972533.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2140320631 is about 46263.5994168201. The cubic root of 2140320631 is about 1288.7230981975.

The spelling of 2140320631 in words is "two billion, one hundred forty million, three hundred twenty thousand, six hundred thirty-one".