312120031001103 has 24 divisors (see below), whose sum is σ = 503502272237328. Its totient is φ = 192073865229504.

The previous prime is 312120031001041. The next prime is 312120031001173. The reversal of 312120031001103 is 301100130021213.

312120031001103 is a `hidden beast` number, since 31 + 21 + 200 + 310 + 0 + 1 + 103 = 666.

It is not a de Polignac number, because 312120031001103 - 2¹² = 312120030997007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312120031001173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49401711150 + ... + 49401717467.

It is an arithmetic number, because the mean of its divisors is an integer number (20979261343222).

Almost surely, 2^{312120031001103} is an apocalyptic number.

312120031001103 is a deficient number, since it is larger than the sum of its proper divisors (191382241236225).

312120031001103 is an equidigital number, since it uses as much as digits as its factorization.

312120031001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98803428645 (or 98803428633 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 312120031001103 its reverse (301100130021213), we get a palindrome (613220161022316).

The spelling of 312120031001103 in words is "three hundred twelve trillion, one hundred twenty billion, thirty-one million, one thousand, one hundred three".