10311421231320 has 256 divisors, whose sum is σ = 34053676646400. Its totient is φ = 2477030492160.

The previous prime is 10311421231301. The next prime is 10311421231373. The reversal of 10311421231320 is 2313212411301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138936462 + ... + 139010658.

It is an arithmetic number, because the mean of its divisors is an integer number (133022174400).

Almost surely, 2^{10311421231320} is an apocalyptic number.

10311421231320 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 10311421231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17026838323200).

10311421231320 is an abundant number, since it is smaller than the sum of its proper divisors (23742255415080).

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

10311421231320 is a wasteful number, since it uses less digits than its factorization.

10311421231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75178 (or 75174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 10311421231320 its reverse (2313212411301), we get a palindrome (12624633642621).

The spelling of 10311421231320 in words is "ten trillion, three hundred eleven billion, four hundred twenty-one million, two hundred thirty-one thousand, three hundred twenty".