3478040431 has 2 divisors, whose sum is σ = 3478040432. Its totient is φ = 3478040430.

The previous prime is 3478040429. The next prime is 3478040507. The reversal of 3478040431 is 1340408743.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3478040431 - 2¹ = 3478040429 is a prime.

It is a super-2 number, since 2×3478040431² = 24193530479341331522, which contains 22 as substring.

Together with 3478040429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478040411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739020215 + 1739020216.

It is an arithmetic number, because the mean of its divisors is an integer number (1739020216).

Almost surely, 2^3478040431 is an apocalyptic number.

3478040431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478040431 is an equidigital number, since it uses as much as digits as its factorization.

3478040431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 3478040431 is about 58974.9135734848. The cubic root of 3478040431 is about 1515.1124796765.

The spelling of 3478040431 in words is "three billion, four hundred seventy-eight million, forty thousand, four hundred thirty-one".