1231113002 has 16 divisors (see below), whose sum is σ = 2112575040. Its totient is φ = 527095968.

The previous prime is 1231112977. The next prime is 1231113061. The reversal of 1231113002 is 2003111321.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28883 + ... + 57414.

It is an arithmetic number, because the mean of its divisors is an integer number (132035940).

Almost surely, 2^1231113002 is an apocalyptic number.

1231113002 is a deficient number, since it is larger than the sum of its proper divisors (881462038).

1231113002 is a wasteful number, since it uses less digits than its factorization.

1231113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87325.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1231113002 is about 35087.2199240692. The cubic root of 1231113002 is about 1071.7643474041.

Adding to 1231113002 its reverse (2003111321), we get a palindrome (3234224323).

The spelling of 1231113002 in words is "one billion, two hundred thirty-one million, one hundred thirteen thousand, two".