10231212331 has 4 divisors (see below), whose sum is σ = 10236512664. Its totient is φ = 10225912000.

The previous prime is 10231212319. The next prime is 10231212367. The reversal of 10231212331 is 13321213201.

10231212331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10231212331 - 2⁷ = 10231212203 is a prime.

It is a super-2 number, since 2×10231212331² (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 = 10231212299 and 10231212308.

It is not an unprimeable number, because it can be changed into a prime (10231212311) 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, 2647270 + ... + 2651131.

It is an arithmetic number, because the mean of its divisors is an integer number (2559128166).

Almost surely, 2^10231212331 is an apocalyptic number.

10231212331 is a deficient number, since it is larger than the sum of its proper divisors (5300333).

10231212331 is an equidigital number, since it uses as much as digits as its factorization.

10231212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300332.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10231212331 its reverse (13321213201), we get a palindrome (23552425532).

The spelling of 10231212331 in words is "ten billion, two hundred thirty-one million, two hundred twelve thousand, three hundred thirty-one".