10031311400 has 144 divisors (see below), whose sum is σ = 25776996000. Its totient is φ = 3627676800.

The previous prime is 10031311331. The next prime is 10031311427. The reversal of 10031311400 is 411313001.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4814759 + ... + 4816841.

Almost surely, 2^10031311400 is an apocalyptic number.

10031311400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031311400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12888498000).

10031311400 is an abundant number, since it is smaller than the sum of its proper divisors (15745684600).

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

10031311400 is a wasteful number, since it uses less digits than its factorization.

10031311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10031311400 its reverse (411313001), we get a palindrome (10442624401).

The spelling of 10031311400 in words is "ten billion, thirty-one million, three hundred eleven thousand, four hundred".