630192131 has 2 divisors, whose sum is σ = 630192132. Its totient is φ = 630192130.

The previous prime is 630192107. The next prime is 630192169. The reversal of 630192131 is 131291036.

630192131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630192131 is a prime.

It is a super-2 number, since 2×630192131² = 794284243948642322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 630192131.

It is not a weakly prime, because it can be changed into another prime (630192331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315096065 + 315096066.

It is an arithmetic number, because the mean of its divisors is an integer number (315096066).

Almost surely, 2^630192131 is an apocalyptic number.

630192131 is a deficient number, since it is larger than the sum of its proper divisors (1).

630192131 is an equidigital number, since it uses as much as digits as its factorization.

630192131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 630192131 is about 25103.6278453932. The cubic root of 630192131 is about 857.3490257145.

The spelling of 630192131 in words is "six hundred thirty million, one hundred ninety-two thousand, one hundred thirty-one".