1232001431 has 2 divisors, whose sum is σ = 1232001432. Its totient is φ = 1232001430.

The previous prime is 1232001409. The next prime is 1232001487. The reversal of 1232001431 is 1341002321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1341002321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232001431 - 2⁶ = 1232001367 is a prime.

It is a super-2 number, since 2×1232001431² = 3035655051972095522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232001031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616000715 + 616000716.

It is an arithmetic number, because the mean of its divisors is an integer number (616000716).

Almost surely, 2^1232001431 is an apocalyptic number.

1232001431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232001431 is an equidigital number, since it uses as much as digits as its factorization.

1232001431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1232001431 is about 35099.8779342607. The cubic root of 1232001431 is about 1072.0220972533.

Adding to 1232001431 its reverse (1341002321), we get a palindrome (2573003752).

The spelling of 1232001431 in words is "one billion, two hundred thirty-two million, one thousand, four hundred thirty-one".