912031031 has 2 divisors, whose sum is σ = 912031032. Its totient is φ = 912031030.

The previous prime is 912030979. The next prime is 912031033. The reversal of 912031031 is 130130219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 912031031 - 2⁶ = 912030967 is a prime.

It is a super-2 number, since 2×912031031² = 1663601203013845922, which contains 22 as substring.

Together with 912031033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 912030994 and 912031012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912031033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456015515 + 456015516.

It is an arithmetic number, because the mean of its divisors is an integer number (456015516).

Almost surely, 2^912031031 is an apocalyptic number.

912031031 is a deficient number, since it is larger than the sum of its proper divisors (1).

912031031 is an equidigital number, since it uses as much as digits as its factorization.

912031031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 912031031 is about 30199.8515062574. The cubic root of 912031031 is about 969.7725158260.

The spelling of 912031031 in words is "nine hundred twelve million, thirty-one thousand, thirty-one".