31355361060 has 96 divisors (see below), whose sum is σ = 90673938432. Its totient is φ = 8087525760.

The previous prime is 31355361047. The next prime is 31355361061. The reversal of 31355361060 is 6016355313.

It is not an unprimeable number, because it can be changed into a prime (31355361061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5396677 + ... + 5402483.

It is an arithmetic number, because the mean of its divisors is an integer number (944520192).

Almost surely, 2^31355361060 is an apocalyptic number.

31355361060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31355361060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45336969216).

31355361060 is an abundant number, since it is smaller than the sum of its proper divisors (59318577372).

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

31355361060 is a wasteful number, since it uses less digits than its factorization.

31355361060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753 (or 8751 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The spelling of 31355361060 in words is "thirty-one billion, three hundred fifty-five million, three hundred sixty-one thousand, sixty".