113311031202 has 96 divisors (see below), whose sum is σ = 265453044480. Its totient is φ = 34824746880.

The previous prime is 113311031191. The next prime is 113311031213. The reversal of 113311031202 is 202130113311.

113311031202 is a `hidden beast` number, since 11 + 331 + 10 + 312 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (113311031191) and next prime (113311031213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7568308 + ... + 7583264.

It is an arithmetic number, because the mean of its divisors is an integer number (2765135880).

Almost surely, 2^113311031202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113311031202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132726522240).

113311031202 is an abundant number, since it is smaller than the sum of its proper divisors (152142013278).

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

113311031202 is a wasteful number, since it uses less digits than its factorization.

113311031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15648 (or 15645 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 113311031202 its reverse (202130113311), we get a palindrome (315441144513).

The spelling of 113311031202 in words is "one hundred thirteen billion, three hundred eleven million, thirty-one thousand, two hundred two".