2258012931 has 4 divisors (see below), whose sum is σ = 3010683912. Its totient is φ = 1505341952.

The previous prime is 2258012917. The next prime is 2258012941. The reversal of 2258012931 is 1392108522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2258012931 - 2¹⁵ = 2257980163 is a prime.

It is a super-2 number, since 2×2258012931² = 10197244793126421522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2258012892 and 2258012901.

It is not an unprimeable number, because it can be changed into a prime (2258012941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376335486 + ... + 376335491.

It is an arithmetic number, because the mean of its divisors is an integer number (752670978).

Almost surely, 2^2258012931 is an apocalyptic number.

2258012931 is a deficient number, since it is larger than the sum of its proper divisors (752670981).

2258012931 is an equidigital number, since it uses as much as digits as its factorization.

2258012931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752670980.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2258012931 is about 47518.5535449050. The cubic root of 2258012931 is about 1311.9243963830.

It can be divided in two parts, 22580 and 12931, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 2258012931 in words is "two billion, two hundred fifty-eight million, twelve thousand, nine hundred thirty-one".