30431012113313 has 12 divisors (see below), whose sum is σ = 35411731173252. Its totient is φ = 26074594788480.

The previous prime is 30431012113283. The next prime is 30431012113321. The reversal of 30431012113313 is 31331121013403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8829645846784 + 21601366266529 = 2971472^2 + 4647727^2 .

It is not a de Polignac number, because 30431012113313 - 2⁴⁰ = 29331500485537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30431012113373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108547628 + ... + 108827613.

It is an arithmetic number, because the mean of its divisors is an integer number (2950977597771).

Almost surely, 2^{30431012113313} is an apocalyptic number.

It is an amenable number.

30431012113313 is a deficient number, since it is larger than the sum of its proper divisors (4980719059939).

30431012113313 is a wasteful number, since it uses less digits than its factorization.

30431012113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217378112 (or 217378105 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 30431012113313 its reverse (31331121013403), we get a palindrome (61762133126716).

The spelling of 30431012113313 in words is "thirty trillion, four hundred thirty-one billion, twelve million, one hundred thirteen thousand, three hundred thirteen".