10311135450 has 192 divisors, whose sum is σ = 32200796160. Its totient is φ = 2121120000.

The previous prime is 10311135431. The next prime is 10311135481. The reversal of 10311135450 is 5453111301.

It is a self number, because there is not a number n which added to its sum of digits gives 10311135450.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1162131 + ... + 1170969.

It is an arithmetic number, because the mean of its divisors is an integer number (167712480).

Almost surely, 2^10311135450 is an apocalyptic number.

10311135450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10311135450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16100398080).

10311135450 is an abundant number, since it is smaller than the sum of its proper divisors (21889660710).

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

10311135450 is a wasteful number, since it uses less digits than its factorization.

10311135450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973 (or 8968 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 10311135450 its reverse (5453111301), we get a palindrome (15764246751).

The spelling of 10311135450 in words is "ten billion, three hundred eleven million, one hundred thirty-five thousand, four hundred fifty".