2531022361 has 4 divisors (see below), whose sum is σ = 2892596992. Its totient is φ = 2169447732.

The previous prime is 2531022359. The next prime is 2531022379. The reversal of 2531022361 is 1632201352.

2531022361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2531022361 - 2¹ = 2531022359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531022301) 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, 180787305 + ... + 180787318.

It is an arithmetic number, because the mean of its divisors is an integer number (723149248).

Almost surely, 2^2531022361 is an apocalyptic number.

It is an amenable number.

2531022361 is a deficient number, since it is larger than the sum of its proper divisors (361574631).

2531022361 is an equidigital number, since it uses as much as digits as its factorization.

2531022361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361574630.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2531022361 is about 50309.2671483098. The cubic root of 2531022361 is about 1362.7995893238.

The spelling of 2531022361 in words is "two billion, five hundred thirty-one million, twenty-two thousand, three hundred sixty-one".