331220012107 has 2 divisors, whose sum is σ = 331220012108. Its totient is φ = 331220012106.

The previous prime is 331220012077. The next prime is 331220012111. The reversal of 331220012107 is 701210022133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331220012107 is a prime.

It is a super-2 number, since 2×331220012107² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (331220012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165610006053 + 165610006054.

It is an arithmetic number, because the mean of its divisors is an integer number (165610006054).

Almost surely, 2^331220012107 is an apocalyptic number.

331220012107 is a deficient number, since it is larger than the sum of its proper divisors (1).

331220012107 is an equidigital number, since it uses as much as digits as its factorization.

331220012107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 331220012107 in words is "three hundred thirty-one billion, two hundred twenty million, twelve thousand, one hundred seven".