31114213113 has 4 divisors (see below), whose sum is σ = 41485617488. Its totient is φ = 20742808740.

The previous prime is 31114213099. The next prime is 31114213153. The reversal of 31114213113 is 31131241113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31114213113 - 2⁹ = 31114212601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31114213113.

It is not an unprimeable number, because it can be changed into a prime (31114213153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185702183 + ... + 5185702188.

It is an arithmetic number, because the mean of its divisors is an integer number (10371404372).

Almost surely, 2^31114213113 is an apocalyptic number.

It is an amenable number.

31114213113 is a deficient number, since it is larger than the sum of its proper divisors (10371404375).

31114213113 is a wasteful number, since it uses less digits than its factorization.

31114213113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371404374.

The product of its digits is 216, while the sum is 21.

Adding to 31114213113 its reverse (31131241113), we get a palindrome (62245454226).

The spelling of 31114213113 in words is "thirty-one billion, one hundred fourteen million, two hundred thirteen thousand, one hundred thirteen".