31244080700 has 324 divisors, whose sum is σ = 88219666080. Its totient is φ = 9542292480.

The previous prime is 31244080663. The next prime is 31244080727. The reversal of 31244080700 is 708044213.

It is a super-2 number, since 2×31244080700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 30070781 + ... + 30071819.

It is an arithmetic number, because the mean of its divisors is an integer number (272282920).

Almost surely, 2^31244080700 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 31244080700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44109833040).

31244080700 is an abundant number, since it is smaller than the sum of its proper divisors (56975585380).

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

31244080700 is a wasteful number, since it uses less digits than its factorization.

31244080700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 31244080700 in words is "thirty-one billion, two hundred forty-four million, eighty thousand, seven hundred".