30204604831 has 2 divisors, whose sum is σ = 30204604832. Its totient is φ = 30204604830.

The previous prime is 30204604747. The next prime is 30204604841. The reversal of 30204604831 is 13840640203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30204604831 is a prime.

It is a super-2 number, since 2×30204604831² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30204604793 and 30204604802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30204604841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15102302415 + 15102302416.

It is an arithmetic number, because the mean of its divisors is an integer number (15102302416).

Almost surely, 2^30204604831 is an apocalyptic number.

30204604831 is a deficient number, since it is larger than the sum of its proper divisors (1).

30204604831 is an equidigital number, since it uses as much as digits as its factorization.

30204604831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 30204604831 in words is "thirty billion, two hundred four million, six hundred four thousand, eight hundred thirty-one".