1230031190 has 16 divisors (see below), whose sum is σ = 2215633392. Its totient is φ = 491661984.

The previous prime is 1230031189. The next prime is 1230031223. The reversal of 1230031190 is 911300321.

It is a super-2 number, since 2×1230031190² = 3025953456745632200, which contains 22 as substring.

It is a congruent number.

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, 28829 + ... + 57368.

It is an arithmetic number, because the mean of its divisors is an integer number (138477087).

Almost surely, 2^1230031190 is an apocalyptic number.

1230031190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230031190 is a deficient number, since it is larger than the sum of its proper divisors (985602202).

1230031190 is a wasteful number, since it uses less digits than its factorization.

1230031190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87631.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1230031190 is about 35071.8004955548. The cubic root of 1230031190 is about 1071.4503260514.

The spelling of 1230031190 in words is "one billion, two hundred thirty million, thirty-one thousand, one hundred ninety".