22313431536 has 40 divisors (see below), whose sum is σ = 62883308544. Its totient is φ = 6761645760.

The previous prime is 22313431477. The next prime is 22313431537. The reversal of 22313431536 is 63513431322.

It is a super-3 number, since 3×22313431536³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 22313431497 and 22313431506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313431537) 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, 21129616 + ... + 21130671.

Almost surely, 2^22313431536 is an apocalyptic number.

It is an amenable number.

22313431536 is an abundant number, since it is smaller than the sum of its proper divisors (40569877008).

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

22313431536 is a wasteful number, since it uses less digits than its factorization.

22313431536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42260309 (or 42260303 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

Adding to 22313431536 its reverse (63513431322), we get a palindrome (85826862858).

The spelling of 22313431536 in words is "twenty-two billion, three hundred thirteen million, four hundred thirty-one thousand, five hundred thirty-six".