10131222331 has 2 divisors, whose sum is σ = 10131222332. Its totient is φ = 10131222330.

The previous prime is 10131222323. The next prime is 10131222341. The reversal of 10131222331 is 13322213101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10131222331 - 2³ = 10131222323 is a prime.

It is a super-2 number, since 2×10131222331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10131222299 and 10131222308.

It is not a weakly prime, because it can be changed into another prime (10131222341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065611165 + 5065611166.

It is an arithmetic number, because the mean of its divisors is an integer number (5065611166).

Almost surely, 2^10131222331 is an apocalyptic number.

10131222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131222331 is an equidigital number, since it uses as much as digits as its factorization.

10131222331 is an evil number, because the sum of its binary digits is even.

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

Adding to 10131222331 its reverse (13322213101), we get a palindrome (23453435432).

The spelling of 10131222331 in words is "ten billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-one".