31103001101312 has 44 divisors (see below), whose sum is σ = 71057860791360. Its totient is φ = 13329857611776.

The previous prime is 31103001101311. The next prime is 31103001101317. The reversal of 31103001101312 is 21310110030113.

It is not an unprimeable number, because it can be changed into a prime (31103001101311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2169566012 + ... + 2169580347.

Almost surely, 2^{31103001101312} is an apocalyptic number.

31103001101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31103001101312 is an abundant number, since it is smaller than the sum of its proper divisors (39954859690048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103001101312 is an equidigital number, since it uses as much as digits as its factorization.

31103001101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339146386 (or 4339146368 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31103001101312 its reverse (21310110030113), we get a palindrome (52413111131425).

The spelling of 31103001101312 in words is "thirty-one trillion, one hundred three billion, one million, one hundred one thousand, three hundred twelve".