30553505431 has 2 divisors, whose sum is σ = 30553505432. Its totient is φ = 30553505430.

The previous prime is 30553505413. The next prime is 30553505443. The reversal of 30553505431 is 13450535503.

Together with previous prime (30553505413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30553505431 - 2⁵ = 30553505399 is a prime.

It is a super-2 number, since 2×30553505431² (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 (30553505461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15276752715 + 15276752716.

It is an arithmetic number, because the mean of its divisors is an integer number (15276752716).

Almost surely, 2^30553505431 is an apocalyptic number.

30553505431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30553505431 is an equidigital number, since it uses as much as digits as its factorization.

30553505431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 30553505431 in words is "thirty billion, five hundred fifty-three million, five hundred five thousand, four hundred thirty-one".