3113232431 has 4 divisors (see below), whose sum is σ = 3120663000. Its totient is φ = 3105801864.

The previous prime is 3113232427. The next prime is 3113232433. The reversal of 3113232431 is 1342323113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342323113 = 4993 ⋅268841.

It is a cyclic number.

It is not a de Polignac number, because 3113232431 - 2² = 3113232427 is a prime.

It is a super-2 number, since 2×3113232431² = 19384432338860339522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113232397 and 3113232406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113232433) 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, 3714656 + ... + 3715493.

It is an arithmetic number, because the mean of its divisors is an integer number (780165750).

Almost surely, 2^3113232431 is an apocalyptic number.

3113232431 is a deficient number, since it is larger than the sum of its proper divisors (7430569).

3113232431 is an equidigital number, since it uses as much as digits as its factorization.

3113232431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430568.

The product of its digits is 1296, while the sum is 23.

The square root of 3113232431 is about 55796.3478285093. The cubic root of 3113232431 is about 1460.1714365210.

Adding to 3113232431 its reverse (1342323113), we get a palindrome (4455555544).

The spelling of 3113232431 in words is "three billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred thirty-one".