31552136536554 has 112 divisors (see below), whose sum is σ = 75152740930560. Its totient is φ = 9896234486400.

The previous prime is 31552136536541. The next prime is 31552136536603. The reversal of 31552136536554 is 45563563125513.

31552136536554 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 2 + 1 + 36 + 53 + 6 + 554 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 31552136536554.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 100250967 + ... + 100565205.

Almost surely, 2^{31552136536554} is an apocalyptic number.

31552136536554 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31552136536554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37576370465280).

31552136536554 is an abundant number, since it is smaller than the sum of its proper divisors (43600604394006).

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

31552136536554 is a wasteful number, since it uses less digits than its factorization.

31552136536554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318327 (or 318312 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 54.

The spelling of 31552136536554 in words is "thirty-one trillion, five hundred fifty-two billion, one hundred thirty-six million, five hundred thirty-six thousand, five hundred fifty-four".