22311301320312 has 32 divisors (see below), whose sum is σ = 58203394750080. Its totient is φ = 7113748246880.

The previous prime is 22311301320311. The next prime is 22311301320313. The reversal of 22311301320312 is 21302310311322.

It is an interprime number because it is at equal distance from previous prime (22311301320311) and next prime (22311301320313).

It is a super-3 number, since 3×22311301320312³ (a number of 41 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311301320311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20209511514 + ... + 20209512617.

It is an arithmetic number, because the mean of its divisors is an integer number (1818856085940).

Almost surely, 2^{22311301320312} is an apocalyptic number.

It is an amenable number.

22311301320312 is an abundant number, since it is smaller than the sum of its proper divisors (35892093429768).

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

22311301320312 is a wasteful number, since it uses less digits than its factorization.

22311301320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40419024163 (or 40419024159 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 22311301320312 its reverse (21302310311322), we get a palindrome (43613611631634).

The spelling of 22311301320312 in words is "twenty-two trillion, three hundred eleven billion, three hundred one million, three hundred twenty thousand, three hundred twelve".