30131790594469 has 2 divisors, whose sum is σ = 30131790594470. Its totient is φ = 30131790594468.

The previous prime is 30131790594431. The next prime is 30131790594547. The reversal of 30131790594469 is 96449509713103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20193294753025 + 9938495841444 = 4493695^2 + 3152538^2 .

It is a cyclic number.

It is not a de Polignac number, because 30131790594469 - 2²⁷ = 30131656376741 is a prime.

It is a super-2 number, since 2×30131790594469² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30131790594569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065895297234 + 15065895297235.

It is an arithmetic number, because the mean of its divisors is an integer number (15065895297235).

Almost surely, 2^{30131790594469} is an apocalyptic number.

It is an amenable number.

30131790594469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131790594469 is an equidigital number, since it uses as much as digits as its factorization.

30131790594469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 30131790594469 in words is "thirty trillion, one hundred thirty-one billion, seven hundred ninety million, five hundred ninety-four thousand, four hundred sixty-nine".