426130931 has 2 divisors, whose sum is σ = 426130932. Its totient is φ = 426130930.

The previous prime is 426130927. The next prime is 426130951. The reversal of 426130931 is 139031624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426130931 - 2² = 426130927 is a prime.

It is a super-2 number, since 2×426130931² = 363175140709853522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426130894 and 426130903.

It is not a weakly prime, because it can be changed into another prime (426130951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213065465 + 213065466.

It is an arithmetic number, because the mean of its divisors is an integer number (213065466).

Almost surely, 2^426130931 is an apocalyptic number.

426130931 is a deficient number, since it is larger than the sum of its proper divisors (1).

426130931 is an equidigital number, since it uses as much as digits as its factorization.

426130931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 426130931 is about 20642.9390107126. The cubic root of 426130931 is about 752.5135995305.

The spelling of 426130931 in words is "four hundred twenty-six million, one hundred thirty thousand, nine hundred thirty-one".