31552136536553 has 16 divisors (see below), whose sum is σ = 32762267672400. Its totient is φ = 30350215284480.

The previous prime is 31552136536541. The next prime is 31552136536603. The reversal of 31552136536553 is 35563563125513.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3052735795264 + 28499400741289 = 1747208^2 + 5338483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31552136536553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31552136536495 and 31552136536504.

It is not an unprimeable number, because it can be changed into a prime (31552136536513) 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, 25402763 + ... + 26615871.

It is an arithmetic number, because the mean of its divisors is an integer number (2047641729525).

Almost surely, 2^{31552136536553} is an apocalyptic number.

It is an amenable number.

31552136536553 is a deficient number, since it is larger than the sum of its proper divisors (1210131135847).

31552136536553 is a wasteful number, since it uses less digits than its factorization.

31552136536553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216492.

The product of its digits is 18225000, while the sum is 53.

The spelling of 31552136536553 in words is "thirty-one trillion, five hundred fifty-two billion, one hundred thirty-six million, five hundred thirty-six thousand, five hundred fifty-three".