23031311310 has 128 divisors (see below), whose sum is σ = 70235596800. Its totient is φ = 5260930560.

The previous prime is 23031311309. The next prime is 23031311327. The reversal of 23031311310 is 1311313032.

It is a happy number.

23031311310 is a `hidden beast` number, since 2 + 30 + 313 + 11 + 310 = 666.

It is a super-2 number, since 2×23031311310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 4081471 + ... + 4087109.

It is an arithmetic number, because the mean of its divisors is an integer number (548715600).

Almost surely, 2^23031311310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23031311310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35117798400).

23031311310 is an abundant number, since it is smaller than the sum of its proper divisors (47204285490).

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

23031311310 is a wasteful number, since it uses less digits than its factorization.

23031311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823 (or 7817 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 23031311310 its reverse (1311313032), we get a palindrome (24342624342).

The spelling of 23031311310 in words is "twenty-three billion, thirty-one million, three hundred eleven thousand, three hundred ten".