31132001104223 has 32 divisors (see below), whose sum is σ = 33765395045760. Its totient is φ = 28627285800960.

The previous prime is 31132001104207. The next prime is 31132001104231. The reversal of 31132001104223 is 32240110023113.

It is a cyclic number.

It is not a de Polignac number, because 31132001104223 - 2⁴ = 31132001104207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132001103223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73377365 + ... + 73800417.

It is an arithmetic number, because the mean of its divisors is an integer number (1055168595180).

Almost surely, 2^{31132001104223} is an apocalyptic number.

31132001104223 is a deficient number, since it is larger than the sum of its proper divisors (2633393941537).

31132001104223 is a wasteful number, since it uses less digits than its factorization.

31132001104223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424259.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31132001104223 its reverse (32240110023113), we get a palindrome (63372111127336).

The spelling of 31132001104223 in words is "thirty-one trillion, one hundred thirty-two billion, one million, one hundred four thousand, two hundred twenty-three".