103012123231 has 2 divisors, whose sum is σ = 103012123232. Its totient is φ = 103012123230.

The previous prime is 103012123223. The next prime is 103012123267. The reversal of 103012123231 is 132321210301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103012123231 - 2³ = 103012123223 is a prime.

It is a super-2 number, since 2×103012123231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012123199 and 103012123208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103012123031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506061615 + 51506061616.

It is an arithmetic number, because the mean of its divisors is an integer number (51506061616).

Almost surely, 2^103012123231 is an apocalyptic number.

103012123231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012123231 is an equidigital number, since it uses as much as digits as its factorization.

103012123231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103012123231 its reverse (132321210301), we get a palindrome (235333333532).

The spelling of 103012123231 in words is "one hundred three billion, twelve million, one hundred twenty-three thousand, two hundred thirty-one".