2031120113123 has 8 divisors (see below), whose sum is σ = 2061965671440. Its totient is φ = 2000290152960.

The previous prime is 2031120113117. The next prime is 2031120113131. The reversal of 2031120113123 is 3213110211302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031120113123 - 2⁴ = 2031120113107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031120113095 and 2031120113104.

It is not an unprimeable number, because it can be changed into a prime (2031120913123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3636998 + ... + 4158123.

It is an arithmetic number, because the mean of its divisors is an integer number (257745708930).

Almost surely, 2^{2031120113123} is an apocalyptic number.

2031120113123 is a deficient number, since it is larger than the sum of its proper divisors (30845558317).

2031120113123 is an equidigital number, since it uses as much as digits as its factorization.

2031120113123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799077.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2031120113123 its reverse (3213110211302), we get a palindrome (5244230324425).

The spelling of 2031120113123 in words is "two trillion, thirty-one billion, one hundred twenty million, one hundred thirteen thousand, one hundred twenty-three".