31103313112332 has 96 divisors (see below), whose sum is σ = 81183211200000. Its totient is φ = 10297707152832.

The previous prime is 31103313112331. The next prime is 31103313112363. The reversal of 31103313112332 is 23321131330113.

31103313112332 is a `hidden beast` number, since 3 + 1 + 1 + 0 + 3 + 313 + 1 + 12 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31103313112296 and 31103313112305.

It is not an unprimeable number, because it can be changed into a prime (31103313112331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558992169 + ... + 559047807.

It is an arithmetic number, because the mean of its divisors is an integer number (845658450000).

Almost surely, 2^{31103313112332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31103313112332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40591605600000).

31103313112332 is an abundant number, since it is smaller than the sum of its proper divisors (50079898087668).

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

31103313112332 is a wasteful number, since it uses less digits than its factorization.

31103313112332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90540 (or 90532 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 31103313112332 its reverse (23321131330113), we get a palindrome (54424444442445).

The spelling of 31103313112332 in words is "thirty-one trillion, one hundred three billion, three hundred thirteen million, one hundred twelve thousand, three hundred thirty-two".