30113311331 has 2 divisors, whose sum is σ = 30113311332. Its totient is φ = 30113311330.

The previous prime is 30113311321. The next prime is 30113311339. The reversal of 30113311331 is 13311331103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30113311331 is a prime.

It is a super-2 number, since 2×30113311331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30113311339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056655665 + 15056655666.

It is an arithmetic number, because the mean of its divisors is an integer number (15056655666).

Almost surely, 2^30113311331 is an apocalyptic number.

30113311331 is a deficient number, since it is larger than the sum of its proper divisors (1).

30113311331 is an equidigital number, since it uses as much as digits as its factorization.

30113311331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 30113311331 its reverse (13311331103), we get a palindrome (43424642434).

The spelling of 30113311331 in words is "thirty billion, one hundred thirteen million, three hundred eleven thousand, three hundred thirty-one".