30253697431 has 2 divisors, whose sum is σ = 30253697432. Its totient is φ = 30253697430.

The previous prime is 30253697407. The next prime is 30253697479. The reversal of 30253697431 is 13479635203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30253697431 - 2⁵ = 30253697399 is a prime.

It is a super-2 number, since 2×30253697431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30253697491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126848715 + 15126848716.

It is an arithmetic number, because the mean of its divisors is an integer number (15126848716).

Almost surely, 2^30253697431 is an apocalyptic number.

30253697431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30253697431 is an equidigital number, since it uses as much as digits as its factorization.

30253697431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 30253697431 in words is "thirty billion, two hundred fifty-three million, six hundred ninety-seven thousand, four hundred thirty-one".