31201100022204 has 72 divisors (see below), whose sum is σ = 90137024839680. Its totient is φ = 8914549204512.

The previous prime is 31201100022203. The next prime is 31201100022233. The reversal of 31201100022204 is 40222000110213.

It is a happy number.

31201100022204 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31201100022203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82301317 + ... + 82679555.

Almost surely, 2^{31201100022204} is an apocalyptic number.

It is an amenable number.

31201100022204 is an abundant number, since it is smaller than the sum of its proper divisors (58935924817476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31201100022204 is a wasteful number, since it uses less digits than its factorization.

31201100022204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705599 (or 705594 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 31201100022204 its reverse (40222000110213), we get a palindrome (71423100132417).

The spelling of 31201100022204 in words is "thirty-one trillion, two hundred one billion, one hundred million, twenty-two thousand, two hundred four".