2111713131 has 8 divisors (see below), whose sum is σ = 3071582784. Its totient is φ = 1279826120.

The previous prime is 2111713117. The next prime is 2111713147. The reversal of 2111713131 is 1313171112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111713131 - 2⁹ = 2111712619 is a prime.

It is a super-2 number, since 2×2111713131² = 8918664695275646322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111713098 and 2111713107.

It is not an unprimeable number, because it can be changed into a prime (2111713171) 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, 31995621 + ... + 31995686.

It is an arithmetic number, because the mean of its divisors is an integer number (383947848).

Almost surely, 2^2111713131 is an apocalyptic number.

2111713131 is a deficient number, since it is larger than the sum of its proper divisors (959869653).

2111713131 is a wasteful number, since it uses less digits than its factorization.

2111713131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63991321.

The product of its digits is 126, while the sum is 21.

The square root of 2111713131 is about 45953.3799736211. The cubic root of 2111713131 is about 1282.9556395849.

Adding to 2111713131 its reverse (1313171112), we get a palindrome (3424884243).

The spelling of 2111713131 in words is "two billion, one hundred eleven million, seven hundred thirteen thousand, one hundred thirty-one".