30431059 has 2 divisors, whose sum is σ = 30431060. Its totient is φ = 30431058.

The previous prime is 30431021. The next prime is 30431069. The reversal of 30431059 is 95013403.

It is a strong prime.

It is an emirp because it is prime and its reverse (95013403) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30431059 is a prime.

It is a super-2 number, since 2×30431059² = 1852098703722962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30431069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215529 + 15215530.

It is an arithmetic number, because the mean of its divisors is an integer number (15215530).

Almost surely, 2^30431059 is an apocalyptic number.

30431059 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431059 is an equidigital number, since it uses as much as digits as its factorization.

30431059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30431059 is about 5516.4353526530. The cubic root of 30431059 is about 312.2044018644.

The spelling of 30431059 in words is "thirty million, four hundred thirty-one thousand, fifty-nine".