940427431 has 2 divisors, whose sum is σ = 940427432. Its totient is φ = 940427430.

The previous prime is 940427413. The next prime is 940427533. The reversal of 940427431 is 134724049.

It is a happy number.

Together with previous prime (940427413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 940427431 - 2¹⁷ = 940296359 is a prime.

It is a super-2 number, since 2×940427431² = 1768807505954519522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940424431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470213715 + 470213716.

It is an arithmetic number, because the mean of its divisors is an integer number (470213716).

Almost surely, 2^940427431 is an apocalyptic number.

940427431 is a deficient number, since it is larger than the sum of its proper divisors (1).

940427431 is an equidigital number, since it uses as much as digits as its factorization.

940427431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 940427431 is about 30666.3892722961. The cubic root of 940427431 is about 979.7345633334.

The spelling of 940427431 in words is "nine hundred forty million, four hundred twenty-seven thousand, four hundred thirty-one".