3122401231 has 4 divisors (see below), whose sum is σ = 3123351000. Its totient is φ = 3121451464.

The previous prime is 3122401229. The next prime is 3122401253. The reversal of 3122401231 is 1321042213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3122401231 - 2¹ = 3122401229 is a prime.

It is a super-2 number, since 2×3122401231² = 19498778894700630722, 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 = 3122401199 and 3122401208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122401211) 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, 469936 + ... + 476533.

It is an arithmetic number, because the mean of its divisors is an integer number (780837750).

Almost surely, 2^3122401231 is an apocalyptic number.

3122401231 is a deficient number, since it is larger than the sum of its proper divisors (949769).

3122401231 is an equidigital number, since it uses as much as digits as its factorization.

3122401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949768.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3122401231 is about 55878.4505064341. The cubic root of 3122401231 is about 1461.6034848908.

Adding to 3122401231 its reverse (1321042213), we get a palindrome (4443443444).

The spelling of 3122401231 in words is "three billion, one hundred twenty-two million, four hundred one thousand, two hundred thirty-one".