1431135311 has 2 divisors, whose sum is σ = 1431135312. Its totient is φ = 1431135310.

The previous prime is 1431135287. The next prime is 1431135313. The reversal of 1431135311 is 1135311341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1431135311 - 2¹⁸ = 1430873167 is a prime.

Together with 1431135313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431135313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715567655 + 715567656.

It is an arithmetic number, because the mean of its divisors is an integer number (715567656).

Almost surely, 2^1431135311 is an apocalyptic number.

1431135311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431135311 is an equidigital number, since it uses as much as digits as its factorization.

1431135311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1431135311 is about 37830.3490731978. The cubic root of 1431135311 is about 1126.9212434405.

Adding to 1431135311 its reverse (1135311341), we get a palindrome (2566446652).

The spelling of 1431135311 in words is "one billion, four hundred thirty-one million, one hundred thirty-five thousand, three hundred eleven".