2345445131 has 2 divisors, whose sum is σ = 2345445132. Its totient is φ = 2345445130.

The previous prime is 2345445119. The next prime is 2345445143. The reversal of 2345445131 is 1315445432.

2345445131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2345445119) and next prime (2345445143).

It is a cyclic number.

It is not a de Polignac number, because 2345445131 - 2²⁶ = 2278336267 is a prime.

It is a super-2 number, since 2×2345445131² = 11002225725063214322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2345445031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172722565 + 1172722566.

It is an arithmetic number, because the mean of its divisors is an integer number (1172722566).

Almost surely, 2^2345445131 is an apocalyptic number.

2345445131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345445131 is an equidigital number, since it uses as much as digits as its factorization.

2345445131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 2345445131 is about 48429.7959008708. The cubic root of 2345445131 is about 1328.6433735013.

The spelling of 2345445131 in words is "two billion, three hundred forty-five million, four hundred forty-five thousand, one hundred thirty-one".