6940816031 has 2 divisors, whose sum is σ = 6940816032. Its totient is φ = 6940816030.

The previous prime is 6940816027. The next prime is 6940816037. The reversal of 6940816031 is 1306180496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6940816031 - 2² = 6940816027 is a prime.

It is a super-2 number, since 2×6940816031² = 96349854352373185922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6940816037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470408015 + 3470408016.

It is an arithmetic number, because the mean of its divisors is an integer number (3470408016).

Almost surely, 2^6940816031 is an apocalyptic number.

6940816031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940816031 is an equidigital number, since it uses as much as digits as its factorization.

6940816031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 6940816031 is about 83311.5600082005. The cubic root of 6940816031 is about 1907.5247333105.

The spelling of 6940816031 in words is "six billion, nine hundred forty million, eight hundred sixteen thousand, thirty-one".