235431000001 has 16 divisors (see below), whose sum is σ = 251782476624. Its totient is φ = 219362217984.

The previous prime is 235430999987. The next prime is 235431000019. The reversal of 235431000001 is 100000134532.

It can be written as a sum of positive squares in 8 ways, for example, as 1248562225 + 234182437776 = 35335^2 + 483924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235431000001 is a prime.

It is a super-2 number, since 2×235431000001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235431000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1566775 + ... + 1710451.

It is an arithmetic number, because the mean of its divisors is an integer number (15736404789).

Almost surely, 2^235431000001 is an apocalyptic number.

It is an amenable number.

235431000001 is a deficient number, since it is larger than the sum of its proper divisors (16351476623).

235431000001 is a wasteful number, since it uses less digits than its factorization.

235431000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144660.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 235431000001 its reverse (100000134532), we get a palindrome (335431134533).

The spelling of 235431000001 in words is "two hundred thirty-five billion, four hundred thirty-one million, one", and thus it is an aban number.