1231103210 has 16 divisors (see below), whose sum is σ = 2219159592. Its totient is φ = 491736000.

The previous prime is 1231103191. The next prime is 1231103213. The reversal of 1231103210 is 123011321.

It can be written as a sum of positive squares in 4 ways, for example, as 1230395929 + 707281 = 35077^2 + 841^2 .

It is a super-2 number, since 2×1231103210² = 3031230227344608200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231103213) by changing a digit.

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, 80801 + ... + 94820.

Almost surely, 2^1231103210 is an apocalyptic number.

1231103210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231103210 is a deficient number, since it is larger than the sum of its proper divisors (988056382).

1231103210 is a wasteful number, since it uses less digits than its factorization.

1231103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176329.

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

The square root of 1231103210 is about 35087.0803858058. The cubic root of 1231103210 is about 1071.7615058712.

Adding to 1231103210 its reverse (123011321), we get a palindrome (1354114531).

The spelling of 1231103210 in words is "one billion, two hundred thirty-one million, one hundred three thousand, two hundred ten".