23221311231310 has 64 divisors (see below), whose sum is σ = 42736940789760. Its totient is φ = 9080413557120.

The previous prime is 23221311231299. The next prime is 23221311231311. The reversal of 23221311231310 is 1313211312232.

It is a super-2 number, since 2×23221311231310² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221311231311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1696589287 + ... + 1696602973.

It is an arithmetic number, because the mean of its divisors is an integer number (667764699840).

Almost surely, 2^{23221311231310} is an apocalyptic number.

23221311231310 is a deficient number, since it is larger than the sum of its proper divisors (19515629558450).

23221311231310 is a wasteful number, since it uses less digits than its factorization.

23221311231310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17641.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23221311231310 its reverse (1313211312232), we get a palindrome (24534522543542).

The spelling of 23221311231310 in words is "twenty-three trillion, two hundred twenty-one billion, three hundred eleven million, two hundred thirty-one thousand, three hundred ten".