31234045131224 has 48 divisors (see below), whose sum is σ = 63508949417520. Its totient is φ = 14394419195520.

The previous prime is 31234045131119. The next prime is 31234045131227. The reversal of 31234045131224 is 42213154043213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234045131227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16146812 + ... + 17977419.

It is an arithmetic number, because the mean of its divisors is an integer number (1323103112865).

Almost surely, 2^{31234045131224} is an apocalyptic number.

It is an amenable number.

31234045131224 is an abundant number, since it is smaller than the sum of its proper divisors (32274904286296).

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

31234045131224 is a wasteful number, since it uses less digits than its factorization.

31234045131224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34124940 (or 34124923 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 31234045131224 its reverse (42213154043213), we get a palindrome (73447199174437).

The spelling of 31234045131224 in words is "thirty-one trillion, two hundred thirty-four billion, forty-five million, one hundred thirty-one thousand, two hundred twenty-four".