10312203031 has 4 divisors (see below), whose sum is σ = 11105449432. Its totient is φ = 9518956632.

The previous prime is 10312203001. The next prime is 10312203037. The reversal of 10312203031 is 13030221301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13030221301 = 199 ⋅65478499.

It is a cyclic number.

It is not a de Polignac number, because 10312203031 - 2⁷ = 10312202903 is a prime.

It is a super-2 number, since 2×10312203031² (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 = 10312202996 and 10312203014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312203037) 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, 396623181 + ... + 396623206.

It is an arithmetic number, because the mean of its divisors is an integer number (2776362358).

Almost surely, 2^10312203031 is an apocalyptic number.

10312203031 is a deficient number, since it is larger than the sum of its proper divisors (793246401).

10312203031 is an equidigital number, since it uses as much as digits as its factorization.

10312203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793246400.

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

Adding to 10312203031 its reverse (13030221301), we get a palindrome (23342424332).

The spelling of 10312203031 in words is "ten billion, three hundred twelve million, two hundred three thousand, thirty-one".