10400431001 has 2 divisors, whose sum is σ = 10400431002. Its totient is φ = 10400431000.

The previous prime is 10400430967. The next prime is 10400431007. The reversal of 10400431001 is 10013400401.

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., 5752464025 + 4647966976 = 75845^2 + 68176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10400431001 is a prime.

It is not a weakly prime, because it can be changed into another prime (10400431007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200215500 + 5200215501.

It is an arithmetic number, because the mean of its divisors is an integer number (5200215501).

Almost surely, 2^10400431001 is an apocalyptic number.

It is an amenable number.

10400431001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400431001 is an equidigital number, since it uses as much as digits as its factorization.

10400431001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10400431001 its reverse (10013400401), we get a palindrome (20413831402).

The spelling of 10400431001 in words is "ten billion, four hundred million, four hundred thirty-one thousand, one".