31045223144142 has 48 divisors (see below), whose sum is σ = 68302150087392. Its totient is φ = 10189177427520.

The previous prime is 31045223144137. The next prime is 31045223144153. The reversal of 31045223144142 is 24144132254013.

31045223144142 is a `hidden beast` number, since 3 + 1 + 0 + 4 + 5 + 2 + 231 + 4 + 414 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31045223144097 and 31045223144106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15077493 + ... + 17012384.

It is an arithmetic number, because the mean of its divisors is an integer number (1422961460154).

Almost surely, 2^{31045223144142} is an apocalyptic number.

31045223144142 is an abundant number, since it is smaller than the sum of its proper divisors (37256926943250).

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

31045223144142 is a wasteful number, since it uses less digits than its factorization.

31045223144142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32090713 (or 32090710 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 31045223144142 its reverse (24144132254013), we get a palindrome (55189355398155).

The spelling of 31045223144142 in words is "thirty-one trillion, forty-five billion, two hundred twenty-three million, one hundred forty-four thousand, one hundred forty-two".