22031400131 has 8 divisors (see below), whose sum is σ = 23728110000. Its totient is φ = 20334974112.

The previous prime is 22031400113. The next prime is 22031400169. The reversal of 22031400131 is 13100413022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031400131 is a prime.

It is a super-2 number, since 2×22031400131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031400191) 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, 106745 + ... + 235493.

It is an arithmetic number, because the mean of its divisors is an integer number (2966013750).

Almost surely, 2^22031400131 is an apocalyptic number.

22031400131 is a deficient number, since it is larger than the sum of its proper divisors (1696709869).

22031400131 is a wasteful number, since it uses less digits than its factorization.

22031400131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141925.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22031400131 its reverse (13100413022), we get a palindrome (35131813153).

The spelling of 22031400131 in words is "twenty-two billion, thirty-one million, four hundred thousand, one hundred thirty-one".