120123311031031 has 16 divisors (see below), whose sum is σ = 157646450568960. Its totient is φ = 88676128442880.

The previous prime is 120123311031011. The next prime is 120123311031077. The reversal of 120123311031031 is 130130113321021.

It is not a de Polignac number, because 120123311031031 - 2⁹ = 120123311030519 is a prime.

It is a super-2 number, since 2×120123311031031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120123311030993 and 120123311031011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123311031011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41053761706 + ... + 41053764631.

It is an arithmetic number, because the mean of its divisors is an integer number (9852903160560).

Almost surely, 2^{120123311031031} is an apocalyptic number.

120123311031031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120123311031031 is a deficient number, since it is larger than the sum of its proper divisors (37523139537929).

120123311031031 is a wasteful number, since it uses less digits than its factorization.

120123311031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82107526374.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 120123311031031 its reverse (130130113321021), we get a palindrome (250253424352052).

The spelling of 120123311031031 in words is "one hundred twenty trillion, one hundred twenty-three billion, three hundred eleven million, thirty-one thousand, thirty-one".