113031378 has 24 divisors (see below), whose sum is σ = 245097216. Its totient is φ = 37647000.

The previous prime is 113031377. The next prime is 113031409. The reversal of 113031378 is 873130311.

It is not an unprimeable number, because it can be changed into a prime (113031371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40983 + ... + 43653.

It is an arithmetic number, because the mean of its divisors is an integer number (10212384).

Almost surely, 2^113031378 is an apocalyptic number.

113031378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

113031378 is an abundant number, since it is smaller than the sum of its proper divisors (132065838).

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

113031378 is a wasteful number, since it uses less digits than its factorization.

113031378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5030 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 113031378 is about 10631.6216072620. The cubic root of 113031378 is about 483.5035577457.

Adding to 113031378 its reverse (873130311), we get a palindrome (986161689).

The spelling of 113031378 in words is "one hundred thirteen million, thirty-one thousand, three hundred seventy-eight".