1231103119990 has 32 divisors (see below), whose sum is σ = 2232013008960. Its totient is φ = 488886902784.

The previous prime is 1231103119913. The next prime is 1231103119993. The reversal of 1231103119990 is 999113011321.

It is a super-2 number, since 2×1231103119990² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231103119993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895414 + ... + 1806646.

It is an arithmetic number, because the mean of its divisors is an integer number (69750406530).

Almost surely, 2^{1231103119990} is an apocalyptic number.

1231103119990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231103119990 is a deficient number, since it is larger than the sum of its proper divisors (1000909888970).

1231103119990 is a wasteful number, since it uses less digits than its factorization.

1231103119990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912216.

The product of its (nonzero) digits is 13122, while the sum is 40.

The spelling of 1231103119990 in words is "one trillion, two hundred thirty-one billion, one hundred three million, one hundred nineteen thousand, nine hundred ninety".