31022042144031 has 32 divisors (see below), whose sum is σ = 46940074905600. Its totient is φ = 20239757624160.

The previous prime is 31022042144029. The next prime is 31022042144077. The reversal of 31022042144031 is 13044124022013.

31022042144031 is a `hidden beast` number, since 3 + 10 + 2 + 204 + 2 + 1 + 440 + 3 + 1 = 666.

It is not a de Polignac number, because 31022042144031 - 2¹ = 31022042144029 is a prime.

It is a super-2 number, since 2×31022042144031² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31022042143986 and 31022042144004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31022042144231) 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, 15477610 + ... + 17366648.

It is an arithmetic number, because the mean of its divisors is an integer number (1466877340800).

Almost surely, 2^{31022042144031} is an apocalyptic number.

31022042144031 is a deficient number, since it is larger than the sum of its proper divisors (15918032761569).

31022042144031 is a wasteful number, since it uses less digits than its factorization.

31022042144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902036 (or 1902030 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31022042144031 its reverse (13044124022013), we get a palindrome (44066166166044).

The spelling of 31022042144031 in words is "thirty-one trillion, twenty-two billion, forty-two million, one hundred forty-four thousand, thirty-one".