10203312310231 has 4 divisors (see below), whose sum is σ = 10203327640792. Its totient is φ = 10203296979672.

The previous prime is 10203312310159. The next prime is 10203312310339. The reversal of 10203312310231 is 13201321330201.

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 10203312310231 - 2¹⁹ = 10203311785943 is a prime.

It is a super-2 number, since 2×10203312310231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203312310531) 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, 6619380 + ... + 8013913.

It is an arithmetic number, because the mean of its divisors is an integer number (2550831910198).

Almost surely, 2^{10203312310231} is an apocalyptic number.

10203312310231 is a deficient number, since it is larger than the sum of its proper divisors (15330561).

10203312310231 is an equidigital number, since it uses as much as digits as its factorization.

10203312310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15330560.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 10203312310231 its reverse (13201321330201), we get a palindrome (23404633640432).

The spelling of 10203312310231 in words is "ten trillion, two hundred three billion, three hundred twelve million, three hundred ten thousand, two hundred thirty-one".