31401113303000 has 192 divisors, whose sum is σ = 85698335923200. Its totient is φ = 10737979660800.

The previous prime is 31401113302987. The next prime is 31401113303051. The reversal of 31401113303000 is 30331110413.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17930396 + ... + 19603604.

It is an arithmetic number, because the mean of its divisors is an integer number (446345499600).

Almost surely, 2^{31401113303000} 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 31401113303000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42849167961600).

31401113303000 is an abundant number, since it is smaller than the sum of its proper divisors (54297222620200).

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

31401113303000 is a wasteful number, since it uses less digits than its factorization.

31401113303000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673627 (or 1673606 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31401113303000 its reverse (30331110413), we get a palindrome (31431444413413).

The spelling of 31401113303000 in words is "thirty-one trillion, four hundred one billion, one hundred thirteen million, three hundred three thousand".