22031001131 has 32 divisors (see below), whose sum is σ = 24797549952. Its totient is φ = 19477463040.

The previous prime is 22031001103. The next prime is 22031001137. The reversal of 22031001131 is 13110013022.

It is not a de Polignac number, because 22031001131 - 2¹⁸ = 22030738987 is a prime.

It is a super-2 number, since 2×22031001131² (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 (22031001137) 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, 2497130 + ... + 2505936.

It is an arithmetic number, because the mean of its divisors is an integer number (774923436).

Almost surely, 2^22031001131 is an apocalyptic number.

22031001131 is a deficient number, since it is larger than the sum of its proper divisors (2766548821).

22031001131 is a wasteful number, since it uses less digits than its factorization.

22031001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 22031001131 its reverse (13110013022), we get a palindrome (35141014153).

The spelling of 22031001131 in words is "twenty-two billion, thirty-one million, one thousand, one hundred thirty-one".