113211270 has 48 divisors (see below), whose sum is σ = 305257680. Its totient is φ = 30189024.

The previous prime is 113211269. The next prime is 113211289. The reversal of 113211270 is 72112311.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20865 + ... + 25724.

It is an arithmetic number, because the mean of its divisors is an integer number (6359535).

Almost surely, 2^113211270 is an apocalyptic number.

113211270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113211270 is an abundant number, since it is smaller than the sum of its proper divisors (192046410).

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

113211270 is an equidigital number, since it uses as much as digits as its factorization.

113211270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46611 (or 46599 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 113211270 is about 10640.0784771542. The cubic root of 113211270 is about 483.7599240798.

Adding to 113211270 its reverse (72112311), we get a palindrome (185323581).

The spelling of 113211270 in words is "one hundred thirteen million, two hundred eleven thousand, two hundred seventy".