3243401431 has 4 divisors (see below), whose sum is σ = 3267076032. Its totient is φ = 3219726832.

The previous prime is 3243401417. The next prime is 3243401471. The reversal of 3243401431 is 1341043423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341043423 = 359 ⋅3735497.

It is a cyclic number.

It is not a de Polignac number, because 3243401431 - 2¹⁵ = 3243368663 is a prime.

It is a super-2 number, since 2×3243401431² = 21039305685225695522, 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 = 3243401396 and 3243401405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243401401) 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, 11837095 + ... + 11837368.

It is an arithmetic number, because the mean of its divisors is an integer number (816769008).

Almost surely, 2^3243401431 is an apocalyptic number.

3243401431 is a deficient number, since it is larger than the sum of its proper divisors (23674601).

3243401431 is a wasteful number, since it uses less digits than its factorization.

3243401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23674600.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3243401431 is about 56950.8685710762. The cubic root of 3243401431 is about 1480.2448814117.

Adding to 3243401431 its reverse (1341043423), we get a palindrome (4584444854).

The spelling of 3243401431 in words is "three billion, two hundred forty-three million, four hundred one thousand, four hundred thirty-one".