20222031131 has 8 divisors (see below), whose sum is σ = 21416588640. Its totient is φ = 19028032128.

The previous prime is 20222031119. The next prime is 20222031143. The reversal of 20222031131 is 13113022202.

It is an interprime number because it is at equal distance from previous prime (20222031119) and next prime (20222031143).

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-20222031131 is a prime.

It is a super-2 number, since 2×20222031131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222031161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63896 + ... + 211013.

It is an arithmetic number, because the mean of its divisors is an integer number (2677073580).

Almost surely, 2^20222031131 is an apocalyptic number.

20222031131 is a deficient number, since it is larger than the sum of its proper divisors (1194557509).

20222031131 is a wasteful number, since it uses less digits than its factorization.

20222031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279253.

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

Adding to 20222031131 its reverse (13113022202), we get a palindrome (33335053333).

The spelling of 20222031131 in words is "twenty billion, two hundred twenty-two million, thirty-one thousand, one hundred thirty-one".