121230330031 has 2 divisors, whose sum is σ = 121230330032. Its totient is φ = 121230330030.

The previous prime is 121230329951. The next prime is 121230330083. The reversal of 121230330031 is 130033032121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121230330031 - 2²⁵ = 121196775599 is a prime.

It is a super-2 number, since 2×121230330031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121230329990 and 121230330008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121230310031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615165015 + 60615165016.

It is an arithmetic number, because the mean of its divisors is an integer number (60615165016).

Almost surely, 2^121230330031 is an apocalyptic number.

121230330031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121230330031 is an equidigital number, since it uses as much as digits as its factorization.

121230330031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121230330031 its reverse (130033032121), we get a palindrome (251263362152).

The spelling of 121230330031 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred thirty thousand, thirty-one".