31410104020 has 24 divisors (see below), whose sum is σ = 65977921800. Its totient is φ = 12560860032.

The previous prime is 31410104003. The next prime is 31410104021. The reversal of 31410104020 is 2040101413.

It can be written as a sum of positive squares in 4 ways, for example, as 6283415824 + 25126688196 = 79268^2 + 158514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31410103985 and 31410104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31410104021) 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, 117075 + ... + 276634.

It is an arithmetic number, because the mean of its divisors is an integer number (2749080075).

Almost surely, 2^31410104020 is an apocalyptic number.

It is an amenable number.

31410104020 is an abundant number, since it is smaller than the sum of its proper divisors (34567817780).

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

31410104020 is a wasteful number, since it uses less digits than its factorization.

31410104020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397707 (or 397705 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31410104020 its reverse (2040101413), we get a palindrome (33450205433).

The spelling of 31410104020 in words is "thirty-one billion, four hundred ten million, one hundred four thousand, twenty".