31045334523344 has 40 divisors (see below), whose sum is σ = 63689118276168. Its totient is φ = 14609448161280.

The previous prime is 31045334523341. The next prime is 31045334523353. The reversal of 31045334523344 is 44332543354013.

It can be written as a sum of positive squares in 4 ways, for example, as 6549566060944 + 24495768462400 = 2559212^2 + 4949320^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31045334523295 and 31045334523304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31045334523341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38237774 + ... + 39041234.

Almost surely, 2^{31045334523344} is an apocalyptic number.

31045334523344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31045334523344 is an abundant number, since it is smaller than the sum of its proper divisors (32643783752824).

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

31045334523344 is a wasteful number, since it uses less digits than its factorization.

31045334523344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945543 (or 945537 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 44.

Adding to 31045334523344 its reverse (44332543354013), we get a palindrome (75377877877357).

The spelling of 31045334523344 in words is "thirty-one trillion, forty-five billion, three hundred thirty-four million, five hundred twenty-three thousand, three hundred forty-four".