940911731 has 2 divisors, whose sum is σ = 940911732. Its totient is φ = 940911730.

The previous prime is 940911709. The next prime is 940911743. The reversal of 940911731 is 137119049.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (137119049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940911731 - 2²² = 936717427 is a prime.

It is a super-2 number, since 2×940911731² = 1770629771066832722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 940911691 and 940911700.

It is not a weakly prime, because it can be changed into another prime (940911781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470455865 + 470455866.

It is an arithmetic number, because the mean of its divisors is an integer number (470455866).

Almost surely, 2^940911731 is an apocalyptic number.

940911731 is a deficient number, since it is larger than the sum of its proper divisors (1).

940911731 is an equidigital number, since it uses as much as digits as its factorization.

940911731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 940911731 is about 30674.2845230333. The cubic root of 940911731 is about 979.9027152491.

The spelling of 940911731 in words is "nine hundred forty million, nine hundred eleven thousand, seven hundred thirty-one".