103023031121 has 4 divisors (see below), whose sum is σ = 103511292144. Its totient is φ = 102534770100.

The previous prime is 103023031103. The next prime is 103023031141. The reversal of 103023031121 is 121130320301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121130320301 = 190297 ⋅636533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103023031121 is a prime.

It is a super-2 number, since 2×103023031121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103023031121.

It is not an unprimeable number, because it can be changed into a prime (103023031141) 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, 244130195 + ... + 244130616.

It is an arithmetic number, because the mean of its divisors is an integer number (25877823036).

Almost surely, 2^103023031121 is an apocalyptic number.

It is an amenable number.

103023031121 is a deficient number, since it is larger than the sum of its proper divisors (488261023).

103023031121 is an equidigital number, since it uses as much as digits as its factorization.

103023031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488261022.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103023031121 its reverse (121130320301), we get a palindrome (224153351422).

The spelling of 103023031121 in words is "one hundred three billion, twenty-three million, thirty-one thousand, one hundred twenty-one".