1113210131 has 16 divisors (see below), whose sum is σ = 1239649920. Its totient is φ = 991193280.

The previous prime is 1113210127. The next prime is 1113210169. The reversal of 1113210131 is 1310123111.

It is a happy number.

It is not a de Polignac number, because 1113210131 - 2² = 1113210127 is a prime.

It is a super-2 number, since 2×1113210131² = 2478473591522074322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113210191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99440 + ... + 110066.

It is an arithmetic number, because the mean of its divisors is an integer number (77478120).

Almost surely, 2^1113210131 is an apocalyptic number.

1113210131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113210131 is a deficient number, since it is larger than the sum of its proper divisors (126439789).

1113210131 is a wasteful number, since it uses less digits than its factorization.

1113210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1113210131 is about 33364.8037758354. The cubic root of 1113210131 is about 1036.3959726615.

Adding to 1113210131 its reverse (1310123111), we get a palindrome (2423333242).

The spelling of 1113210131 in words is "one billion, one hundred thirteen million, two hundred ten thousand, one hundred thirty-one".