31111241113 has 8 divisors (see below), whose sum is σ = 32121492480. Its totient is φ = 30101406240.

The previous prime is 31111241101. The next prime is 31111241131. The reversal of 31111241113 is 31114211113.

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 31111241113 - 2⁵ = 31111241081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31111211113) 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, 51408 + ... + 254686.

It is an arithmetic number, because the mean of its divisors is an integer number (4015186560).

Almost surely, 2^31111241113 is an apocalyptic number.

It is an amenable number.

31111241113 is a deficient number, since it is larger than the sum of its proper divisors (1010251367).

31111241113 is a wasteful number, since it uses less digits than its factorization.

31111241113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208247.

The product of its digits is 72, while the sum is 19.

Adding to 31111241113 its reverse (31114211113), we get a palindrome (62225452226).

The spelling of 31111241113 in words is "thirty-one billion, one hundred eleven million, two hundred forty-one thousand, one hundred thirteen".