31542144344 has 64 divisors (see below), whose sum is σ = 60769872000. Its totient is φ = 15343292160.

The previous prime is 31542144343. The next prime is 31542144407. The reversal of 31542144344 is 44344124513.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31542144343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21618287 + ... + 21619745.

It is an arithmetic number, because the mean of its divisors is an integer number (949529250).

Almost surely, 2^31542144344 is an apocalyptic number.

It is an amenable number.

31542144344 is a deficient number, since it is larger than the sum of its proper divisors (29227727656).

31542144344 is a wasteful number, since it uses less digits than its factorization.

31542144344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968 (or 1964 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

Adding to 31542144344 its reverse (44344124513), we get a palindrome (75886268857).

The spelling of 31542144344 in words is "thirty-one billion, five hundred forty-two million, one hundred forty-four thousand, three hundred forty-four".