3421131431 has 8 divisors (see below), whose sum is σ = 3641655600. Its totient is φ = 3204653760.

The previous prime is 3421131401. The next prime is 3421131451. The reversal of 3421131431 is 1341311243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3421131431 - 2⁶ = 3421131367 is a prime.

It is a super-2 number, since 2×3421131431² = 23408280536352215522, 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 = 3421131397 and 3421131406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421131401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009880 + ... + 1013261.

It is an arithmetic number, because the mean of its divisors is an integer number (455206950).

Almost surely, 2^3421131431 is an apocalyptic number.

3421131431 is a deficient number, since it is larger than the sum of its proper divisors (220524169).

3421131431 is a wasteful number, since it uses less digits than its factorization.

3421131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023249.

The product of its digits is 864, while the sum is 23.

The square root of 3421131431 is about 58490.4387998586. The cubic root of 3421131431 is about 1506.8033820835.

Adding to 3421131431 its reverse (1341311243), we get a palindrome (4762442674).

The spelling of 3421131431 in words is "three billion, four hundred twenty-one million, one hundred thirty-one thousand, four hundred thirty-one".