1231000231310 has 32 divisors (see below), whose sum is σ = 2217361485312. Its totient is φ = 492053326240.

The previous prime is 1231000231303. The next prime is 1231000231319. The reversal of 1231000231310 is 131320001321.

It is a super-2 number, since 2×1231000231310² (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 (1231000231319) 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, 130522295 + ... + 130531725.

It is an arithmetic number, because the mean of its divisors is an integer number (69292546416).

Almost surely, 2^{1231000231310} is an apocalyptic number.

1231000231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231000231310 is a deficient number, since it is larger than the sum of its proper divisors (986361254002).

1231000231310 is a wasteful number, since it uses less digits than its factorization.

1231000231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17248.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1231000231310 its reverse (131320001321), we get a palindrome (1362320232631).

The spelling of 1231000231310 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-one thousand, three hundred ten".