7130661431 has 2 divisors, whose sum is σ = 7130661432. Its totient is φ = 7130661430.

The previous prime is 7130661427. The next prime is 7130661437. The reversal of 7130661431 is 1341660317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7130661431 - 2² = 7130661427 is a prime.

It is a super-2 number, since 2×7130661431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7130661437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565330715 + 3565330716.

It is an arithmetic number, because the mean of its divisors is an integer number (3565330716).

Almost surely, 2^7130661431 is an apocalyptic number.

7130661431 is a deficient number, since it is larger than the sum of its proper divisors (1).

7130661431 is an equidigital number, since it uses as much as digits as its factorization.

7130661431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 7130661431 is about 84443.2438446084. The cubic root of 7130661431 is about 1924.7600920788.

The spelling of 7130661431 in words is "seven billion, one hundred thirty million, six hundred sixty-one thousand, four hundred thirty-one".