30231131313 has 16 divisors (see below), whose sum is σ = 40451161536. Its totient is φ = 20082659520.

The previous prime is 30231131309. The next prime is 30231131321. The reversal of 30231131313 is 31313113203.

It is not a de Polignac number, because 30231131313 - 2² = 30231131309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30231131313.

It is not an unprimeable number, because it can be changed into a prime (30231131813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190631 + ... + 2204387.

It is an arithmetic number, because the mean of its divisors is an integer number (2528197596).

Almost surely, 2^30231131313 is an apocalyptic number.

It is an amenable number.

30231131313 is a deficient number, since it is larger than the sum of its proper divisors (10220030223).

30231131313 is a wasteful number, since it uses less digits than its factorization.

30231131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30231131313 its reverse (31313113203), we get a palindrome (61544244516).

The spelling of 30231131313 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred thirteen".