4012431331 has 2 divisors, whose sum is σ = 4012431332. Its totient is φ = 4012431330.

The previous prime is 4012431299. The next prime is 4012431389. The reversal of 4012431331 is 1331342104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4012431331 - 2⁵ = 4012431299 is a prime.

It is a super-2 number, since 2×4012431331² = 32199210371980863122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4012431131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006215665 + 2006215666.

It is an arithmetic number, because the mean of its divisors is an integer number (2006215666).

Almost surely, 2^4012431331 is an apocalyptic number.

4012431331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012431331 is an equidigital number, since it uses as much as digits as its factorization.

4012431331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4012431331 is about 63343.7552644300. The cubic root of 4012431331 is about 1589.0438103278.

Adding to 4012431331 its reverse (1331342104), we get a palindrome (5343773435).

The spelling of 4012431331 in words is "four billion, twelve million, four hundred thirty-one thousand, three hundred thirty-one".