3431931 has 4 divisors (see below), whose sum is σ = 4575912. Its totient is φ = 2287952.

The previous prime is 3431903. The next prime is 3431933. The reversal of 3431931 is 1391343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1391343 = 3 ⋅463781.

It is a cyclic number.

It is not a de Polignac number, because 3431931 - 2⁶ = 3431867 is a prime.

It is a super-2 number, since 2×3431931² = 23556300777522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3431933) 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, 571986 + ... + 571991.

It is an arithmetic number, because the mean of its divisors is an integer number (1143978).

Almost surely, 2^3431931 is an apocalyptic number.

3431931 is a deficient number, since it is larger than the sum of its proper divisors (1143981).

3431931 is a wasteful number, since it uses less digits than its factorization.

3431931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143980.

The product of its digits is 972, while the sum is 24.

The square root of 3431931 is about 1852.5471653915. The cubic root of 3431931 is about 150.8387237644.

The spelling of 3431931 in words is "three million, four hundred thirty-one thousand, nine hundred thirty-one".