2150442631 has 4 divisors (see below), whose sum is σ = 2151226512. Its totient is φ = 2149658752.

The previous prime is 2150442607. The next prime is 2150442641. The reversal of 2150442631 is 1362440512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2150442631 is a prime.

It is a super-2 number, since 2×2150442631² = 9248807018444404322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150442631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150442641) 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, 387811 + ... + 393316.

It is an arithmetic number, because the mean of its divisors is an integer number (537806628).

Almost surely, 2^2150442631 is an apocalyptic number.

2150442631 is a deficient number, since it is larger than the sum of its proper divisors (783881).

2150442631 is an equidigital number, since it uses as much as digits as its factorization.

2150442631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783880.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2150442631 is about 46372.8652446665. The cubic root of 2150442631 is about 1290.7514462867.

The spelling of 2150442631 in words is "two billion, one hundred fifty million, four hundred forty-two thousand, six hundred thirty-one".