10131244400 has 60 divisors (see below), whose sum is σ = 24648496800. Its totient is φ = 4001187840.

The previous prime is 10131244399. The next prime is 10131244433. The reversal of 10131244400 is 444213101.

It is a super-2 number, since 2×10131244400² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 128705 + ... + 191904.

It is an arithmetic number, because the mean of its divisors is an integer number (410808280).

Almost surely, 2^10131244400 is an apocalyptic number.

10131244400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131244400 is an abundant number, since it is smaller than the sum of its proper divisors (14517252400).

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

10131244400 is a wasteful number, since it uses less digits than its factorization.

10131244400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320706 (or 320695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10131244400 its reverse (444213101), we get a palindrome (10575457501).

The spelling of 10131244400 in words is "ten billion, one hundred thirty-one million, two hundred forty-four thousand, four hundred".