920946031 has 2 divisors, whose sum is σ = 920946032. Its totient is φ = 920946030.

The previous prime is 920946023. The next prime is 920946071. The reversal of 920946031 is 130649029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920946031 - 2³ = 920946023 is a prime.

It is a super-2 number, since 2×920946031² = 1696283184029305922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920946001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460473015 + 460473016.

It is an arithmetic number, because the mean of its divisors is an integer number (460473016).

Almost surely, 2^920946031 is an apocalyptic number.

920946031 is a deficient number, since it is larger than the sum of its proper divisors (1).

920946031 is an equidigital number, since it uses as much as digits as its factorization.

920946031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 920946031 is about 30347.0926284545. The cubic root of 920946031 is about 972.9220812849.

The spelling of 920946031 in words is "nine hundred twenty million, nine hundred forty-six thousand, thirty-one".