31122233009984 has 14 divisors (see below), whose sum is σ = 61758181129314. Its totient is φ = 15561116504960.

The previous prime is 31122233009981. The next prime is 31122233010101. The reversal of 31122233009984 is 48990033222113.

It can be written as a sum of positive squares in only one way, i.e., 28735603513600 + 2386629496384 = 5360560^2 + 1544872^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122233009981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243142445327 + ... + 243142445454.

Almost surely, 2^{31122233009984} is an apocalyptic number.

It is an amenable number.

31122233009984 is a deficient number, since it is larger than the sum of its proper divisors (30635948119330).

31122233009984 is an equidigital number, since it uses as much as digits as its factorization.

31122233009984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486284890793 (or 486284890783 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 31122233009984 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, nine thousand, nine hundred eighty-four".