31023200131120 has 160 divisors (see below), whose sum is σ = 77670754039296. Its totient is φ = 11481628569600.

The previous prime is 31023200131093. The next prime is 31023200131139. The reversal of 31023200131120 is 2113100232013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33043375 + ... + 33969265.

Almost surely, 2^{31023200131120} 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 31023200131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38835377019648).

31023200131120 is an abundant number, since it is smaller than the sum of its proper divisors (46647553908176).

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

31023200131120 is a wasteful number, since it uses less digits than its factorization.

31023200131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926339 (or 926333 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31023200131120 its reverse (2113100232013), we get a palindrome (33136300363133).

The spelling of 31023200131120 in words is "thirty-one trillion, twenty-three billion, two hundred million, one hundred thirty-one thousand, one hundred twenty".