31240234344 has 32 divisors (see below), whose sum is σ = 85200639840. Its totient is φ = 9466737600.

The previous prime is 31240234313. The next prime is 31240234367. The reversal of 31240234344 is 44343204213.

It is a happy number.

It is a super-2 number, since 2×31240234344² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59166847 + ... + 59167374.

It is an arithmetic number, because the mean of its divisors is an integer number (2662519995).

Almost surely, 2^31240234344 is an apocalyptic number.

It is an amenable number.

31240234344 is an abundant number, since it is smaller than the sum of its proper divisors (53960405496).

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

31240234344 is a wasteful number, since it uses less digits than its factorization.

31240234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118334241 (or 118334237 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31240234344 its reverse (44343204213), we get a palindrome (75583438557).

The spelling of 31240234344 in words is "thirty-one billion, two hundred forty million, two hundred thirty-four thousand, three hundred forty-four".