31422403120404 has 12 divisors (see below), whose sum is σ = 73318940614304. Its totient is φ = 10474134373464.

The previous prime is 31422403120403. The next prime is 31422403120429. The reversal of 31422403120404 is 40402130422413.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31422403120404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422403120403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309266796672 + ... + 1309266796695.

Almost surely, 2^{31422403120404} is an apocalyptic number.

It is an amenable number.

31422403120404 is an abundant number, since it is smaller than the sum of its proper divisors (41896537493900).

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

31422403120404 is a wasteful number, since it uses less digits than its factorization.

31422403120404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618533593374 (or 2618533593372 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31422403120404 its reverse (40402130422413), we get a palindrome (71824533542817).

The spelling of 31422403120404 in words is "thirty-one trillion, four hundred twenty-two billion, four hundred three million, one hundred twenty thousand, four hundred four".