830193067931 has 2 divisors, whose sum is σ = 830193067932. Its totient is φ = 830193067930.

The previous prime is 830193067903. The next prime is 830193067961. The reversal of 830193067931 is 139760391038.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830193067931 is a prime.

It is a super-2 number, since 2×830193067931² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 830193067931.

It is not a weakly prime, because it can be changed into another prime (830193067961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415096533965 + 415096533966.

It is an arithmetic number, because the mean of its divisors is an integer number (415096533966).

Almost surely, 2^830193067931 is an apocalyptic number.

830193067931 is a deficient number, since it is larger than the sum of its proper divisors (1).

830193067931 is an equidigital number, since it uses as much as digits as its factorization.

830193067931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 830193067931 in words is "eight hundred thirty billion, one hundred ninety-three million, sixty-seven thousand, nine hundred thirty-one".