31301403104 has 24 divisors (see below), whose sum is σ = 62669126520. Its totient is φ = 15385434496.

The previous prime is 31301403103. The next prime is 31301403109. The reversal of 31301403104 is 40130410313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301403103) 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, 8287679 + ... + 8291454.

It is an arithmetic number, because the mean of its divisors is an integer number (2611213605).

Almost surely, 2^31301403104 is an apocalyptic number.

It is an amenable number.

31301403104 is an abundant number, since it is smaller than the sum of its proper divisors (31367723416).

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

31301403104 is a wasteful number, since it uses less digits than its factorization.

31301403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16579202 (or 16579194 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31301403104 its reverse (40130410313), we get a palindrome (71431813417).

The spelling of 31301403104 in words is "thirty-one billion, three hundred one million, four hundred three thousand, one hundred four".