31113013101 has 8 divisors (see below), whose sum is σ = 41525630304. Its totient is φ = 20721202320.

The previous prime is 31113013093. The next prime is 31113013147. The reversal of 31113013101 is 10131031113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31113013101 - 2³ = 31113013093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31113013601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198115 + ... + 5204096.

It is an arithmetic number, because the mean of its divisors is an integer number (5190703788).

Almost surely, 2^31113013101 is an apocalyptic number.

It is an amenable number.

31113013101 is a deficient number, since it is larger than the sum of its proper divisors (10412617203).

31113013101 is a wasteful number, since it uses less digits than its factorization.

31113013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403211.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 31113013101 its reverse (10131031113), we get a palindrome (41244044214).

The spelling of 31113013101 in words is "thirty-one billion, one hundred thirteen million, thirteen thousand, one hundred one".