10311120231000 has 128 divisors (see below), whose sum is σ = 32220889421760. Its totient is φ = 2745341952000.

The previous prime is 10311120230969. The next prime is 10311120231011. The reversal of 10311120231000 is 13202111301.

It is a happy number.

It is a super-2 number, since 2×10311120231000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757999 + ... + 4603998.

Almost surely, 2^{10311120231000} is an apocalyptic number.

10311120231000 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 10311120231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16110444710880).

10311120231000 is an abundant number, since it is smaller than the sum of its proper divisors (21909769190760).

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

10311120231000 is a wasteful number, since it uses less digits than its factorization.

10311120231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362662 (or 5362648 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10311120231000 its reverse (13202111301), we get a palindrome (10324322342301).

The spelling of 10311120231000 in words is "ten trillion, three hundred eleven billion, one hundred twenty million, two hundred thirty-one thousand".