31411013104 has 40 divisors (see below), whose sum is σ = 64176071040. Its totient is φ = 14852392128.

The previous prime is 31411013093. The next prime is 31411013149. The reversal of 31411013104 is 40131011413.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79389 + ... + 262915.

It is an arithmetic number, because the mean of its divisors is an integer number (1604401776).

Almost surely, 2^31411013104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31411013104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32088035520).

31411013104 is an abundant number, since it is smaller than the sum of its proper divisors (32765057936).

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

31411013104 is a wasteful number, since it uses less digits than its factorization.

31411013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184117 (or 184111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31411013104 its reverse (40131011413), we get a palindrome (71542024517).

The spelling of 31411013104 in words is "thirty-one billion, four hundred eleven million, thirteen thousand, one hundred four".