120113110031 has 2 divisors, whose sum is σ = 120113110032. Its totient is φ = 120113110030.

The previous prime is 120113110021. The next prime is 120113110069. The reversal of 120113110031 is 130011311021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130011311021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120113110031 is a prime.

It is a super-2 number, since 2×120113110031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120113109988 and 120113110015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120113110001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056555015 + 60056555016.

It is an arithmetic number, because the mean of its divisors is an integer number (60056555016).

Almost surely, 2^120113110031 is an apocalyptic number.

120113110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120113110031 is an equidigital number, since it uses as much as digits as its factorization.

120113110031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 120113110031 its reverse (130011311021), we get a palindrome (250124421052).

The spelling of 120113110031 in words is "one hundred twenty billion, one hundred thirteen million, one hundred ten thousand, thirty-one".