102031212331 has 2 divisors, whose sum is σ = 102031212332. Its totient is φ = 102031212330.

The previous prime is 102031212287. The next prime is 102031212347. The reversal of 102031212331 is 133212130201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102031212331 - 2⁹ = 102031211819 is a prime.

It is a super-2 number, since 2×102031212331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102031212299 and 102031212308.

It is not a weakly prime, because it can be changed into another prime (102031212931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015606165 + 51015606166.

It is an arithmetic number, because the mean of its divisors is an integer number (51015606166).

Almost surely, 2^102031212331 is an apocalyptic number.

102031212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031212331 is an equidigital number, since it uses as much as digits as its factorization.

102031212331 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 102031212331 its reverse (133212130201), we get a palindrome (235243342532).

The spelling of 102031212331 in words is "one hundred two billion, thirty-one million, two hundred twelve thousand, three hundred thirty-one".