31132022022 has 12 divisors (see below), whose sum is σ = 67452714420. Its totient is φ = 10377340668.

The previous prime is 31132022017. The next prime is 31132022027. The reversal of 31132022022 is 22022023113.

It is an interprime number because it is at equal distance from previous prime (31132022017) and next prime (31132022027).

It is a super-3 number, since 3×31132022022³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1729556779 = 31132022022 / (3 + 1 + 1 + 3 + 2 + 0 + 2 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 31132021986 and 31132022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132022027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864778372 + ... + 864778407.

It is an arithmetic number, because the mean of its divisors is an integer number (5621059535).

Almost surely, 2^31132022022 is an apocalyptic number.

31132022022 is an abundant number, since it is smaller than the sum of its proper divisors (36320692398).

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

31132022022 is a wasteful number, since it uses less digits than its factorization.

31132022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729556787 (or 1729556784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31132022022 its reverse (22022023113), we get a palindrome (53154045135).

The spelling of 31132022022 in words is "thirty-one billion, one hundred thirty-two million, twenty-two thousand, twenty-two".