1231431120310 has 32 divisors (see below), whose sum is σ = 2219089092192.
Its totient is φ = 492014315520.
The previous prime is 1231431120299. The next prime is 1231431120319. The reversal of 1231431120310 is 130211341321.
Adding to 1231431120310 its reverse (130211341321), we get a palindrome (1361642461631).
It is a super-2 number, since 2×12314311203102 (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 (1231431120319) 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, 32871190 + ... + 32908630.
It is an arithmetic number, because the mean of its divisors is an integer number (69346534131).
Almost surely, 21231431120310 is an apocalyptic number.
1231431120310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1231431120310 is a deficient number, since it is larger than the sum of its proper divisors (987657971882).
1231431120310 is a wasteful number, since it uses less digits than its factorization.
1231431120310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41088.
The product of its (nonzero) digits is 432, while the sum is 22.
The spelling of 1231431120310 in words is "one trillion, two hundred thirty-one billion, four hundred thirty-one million, one hundred twenty thousand, three hundred ten".