31300031113 has 32 divisors (see below), whose sum is σ = 35731584000. Its totient is φ = 27211161600.

The previous prime is 31300031107. The next prime is 31300031131. The reversal of 31300031113 is 31113000313.

It is a cyclic number.

It is not a de Polignac number, because 31300031113 - 2¹⁷ = 31299900041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31300031713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7416718 + ... + 7420936.

It is an arithmetic number, because the mean of its divisors is an integer number (1116612000).

Almost surely, 2^31300031113 is an apocalyptic number.

It is an amenable number.

31300031113 is a deficient number, since it is larger than the sum of its proper divisors (4431552887).

31300031113 is a wasteful number, since it uses less digits than its factorization.

31300031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 31300031113 its reverse (31113000313), we get a palindrome (62413031426).

The spelling of 31300031113 in words is "thirty-one billion, three hundred million, thirty-one thousand, one hundred thirteen".