31104231101 has 16 divisors (see below), whose sum is σ = 33028080624. Its totient is φ = 29190979584.

The previous prime is 31104231043. The next prime is 31104231113. The reversal of 31104231101 is 10113240113.

It can be written as a sum of positive squares in 8 ways, for example, as 505125625 + 30599105476 = 22475^2 + 174926^2 .

It is a cyclic number.

It is not a de Polignac number, because 31104231101 - 2¹⁰ = 31104230077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 31104231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104231001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16605701 + ... + 16607573.

It is an arithmetic number, because the mean of its divisors is an integer number (2064255039).

Almost surely, 2^31104231101 is an apocalyptic number.

It is an amenable number.

31104231101 is a deficient number, since it is larger than the sum of its proper divisors (1923849523).

31104231101 is a wasteful number, since it uses less digits than its factorization.

31104231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31104231101 its reverse (10113240113), we get a palindrome (41217471214).

The spelling of 31104231101 in words is "thirty-one billion, one hundred four million, two hundred thirty-one thousand, one hundred one".