1431407401 has 2 divisors, whose sum is σ = 1431407402. Its totient is φ = 1431407400.

The previous prime is 1431407359. The next prime is 1431407407. The reversal of 1431407401 is 1047041341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260321001 + 171086400 = 35501^2 + 13080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431407401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1431407407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715703700 + 715703701.

It is an arithmetic number, because the mean of its divisors is an integer number (715703701).

Almost surely, 2^1431407401 is an apocalyptic number.

It is an amenable number.

1431407401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431407401 is an equidigital number, since it uses as much as digits as its factorization.

1431407401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1431407401 is about 37833.9450890335. The cubic root of 1431407401 is about 1126.9926563411.

Adding to 1431407401 its reverse (1047041341), we get a palindrome (2478448742).

The spelling of 1431407401 in words is "one billion, four hundred thirty-one million, four hundred seven thousand, four hundred one".