31143413404120 has 64 divisors (see below), whose sum is σ = 74245879644480. Its totient is φ = 11716476112896.

The previous prime is 31143413404097. The next prime is 31143413404127. The reversal of 31143413404120 is 2140431434113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31143413404127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14841589 + ... + 16809508.

It is an arithmetic number, because the mean of its divisors is an integer number (1160091869445).

Almost surely, 2^{31143413404120} is an apocalyptic number.

It is an amenable number.

31143413404120 is an abundant number, since it is smaller than the sum of its proper divisors (43102466240360).

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

31143413404120 is a wasteful number, since it uses less digits than its factorization.

31143413404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31652572 (or 31652568 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31143413404120 its reverse (2140431434113), we get a palindrome (33283844838233).

The spelling of 31143413404120 in words is "thirty-one trillion, one hundred forty-three billion, four hundred thirteen million, four hundred four thousand, one hundred twenty".