3140431 has 4 divisors (see below), whose sum is σ = 3589072. Its totient is φ = 2691792.

The previous prime is 3140413. The next prime is 3140437. The reversal of 3140431 is 1340413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340413 = 41 ⋅32693.

It is a cyclic number.

It is not a de Polignac number, because 3140431 - 2⁹ = 3139919 is a prime.

It is a super-2 number, since 2×3140431² = 19724613731522, which contains 22 as substring.

It is a Duffinian number.

3140431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224310 + ... + 224323.

It is an arithmetic number, because the mean of its divisors is an integer number (897268).

Almost surely, 2^3140431 is an apocalyptic number.

3140431 is a deficient number, since it is larger than the sum of its proper divisors (448641).

3140431 is an equidigital number, since it uses as much as digits as its factorization.

3140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448640.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3140431 is about 1772.1261241797. The cubic root of 3140431 is about 146.4411346633.

Adding to 3140431 its reverse (1340413), we get a palindrome (4480844).

The spelling of 3140431 in words is "three million, one hundred forty thousand, four hundred thirty-one".