12310203031 has 16 divisors (see below), whose sum is σ = 14322458880. Its totient is φ = 10361741760.

The previous prime is 12310203029. The next prime is 12310203041. The reversal of 12310203031 is 13030201321.

It is a cyclic number.

It is not a de Polignac number, because 12310203031 - 2¹ = 12310203029 is a prime.

It is a super-2 number, since 2×12310203031² (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 = 12310202996 and 12310203014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310203041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385675 + ... + 416371.

It is an arithmetic number, because the mean of its divisors is an integer number (895153680).

Almost surely, 2^12310203031 is an apocalyptic number.

12310203031 is a deficient number, since it is larger than the sum of its proper divisors (2012255849).

12310203031 is an equidigital number, since it uses as much as digits as its factorization.

12310203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12310203031 its reverse (13030201321), we get a palindrome (25340404352).

The spelling of 12310203031 in words is "twelve billion, three hundred ten million, two hundred three thousand, thirty-one".