110102020031 has 4 divisors (see below), whose sum is σ = 110173101000. Its totient is φ = 110030939064.

The previous prime is 110102020009. The next prime is 110102020057. The reversal of 110102020031 is 130020201011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130020201011 = 15227 ⋅8538793.

It is a cyclic number.

It is not a de Polignac number, because 110102020031 - 2²² = 110097825727 is a prime.

It is a super-2 number, since 2×110102020031² (a number of 23 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 = 110102019994 and 110102020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102022031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35538161 + ... + 35541258.

It is an arithmetic number, because the mean of its divisors is an integer number (27543275250).

Almost surely, 2^110102020031 is an apocalyptic number.

110102020031 is a deficient number, since it is larger than the sum of its proper divisors (71080969).

110102020031 is an equidigital number, since it uses as much as digits as its factorization.

110102020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71080968.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 110102020031 its reverse (130020201011), we get a palindrome (240122221042).

The spelling of 110102020031 in words is "one hundred ten billion, one hundred two million, twenty thousand, thirty-one".