31020131110000 has 100 divisors (see below), whose sum is σ = 75116069313472. Its totient is φ = 12405866688000.

The previous prime is 31020131109997. The next prime is 31020131110027. The reversal of 31020131110000 is 1113102013.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57099649 + ... + 57640351.

Almost surely, 2^{31020131110000} 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 31020131110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558034656736).

31020131110000 is an abundant number, since it is smaller than the sum of its proper divisors (44095938203472).

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

31020131110000 is an equidigital number, since it uses as much as digits as its factorization.

31020131110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546468 (or 546447 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31020131110000 its reverse (1113102013), we get a palindrome (31021244212013).

The spelling of 31020131110000 in words is "thirty-one trillion, twenty billion, one hundred thirty-one million, one hundred ten thousand".