12301020031 has 4 divisors (see below), whose sum is σ = 12346749000. Its totient is φ = 12255291064.

The previous prime is 12301019981. The next prime is 12301020047. The reversal of 12301020031 is 13002010321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12301020031 - 2⁷ = 12301019903 is a prime.

It is a super-2 number, since 2×12301020031² (a number of 21 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 = 12301019993 and 12301020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301020731) 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, 22864081 + ... + 22864618.

It is an arithmetic number, because the mean of its divisors is an integer number (3086687250).

Almost surely, 2^12301020031 is an apocalyptic number.

12301020031 is a deficient number, since it is larger than the sum of its proper divisors (45728969).

12301020031 is an equidigital number, since it uses as much as digits as its factorization.

12301020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45728968.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12301020031 its reverse (13002010321), we get a palindrome (25303030352).

The spelling of 12301020031 in words is "twelve billion, three hundred one million, twenty thousand, thirty-one".