231040201401 has 24 divisors (see below), whose sum is σ = 334536255144. Its totient is φ = 153652561920.

The previous prime is 231040201321. The next prime is 231040201429. The reversal of 231040201401 is 104102040132.

231040201401 is a `hidden beast` number, since 23 + 1 + 0 + 40 + 201 + 401 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18172388025 + 212867813376 = 134805^2 + 461376^2 .

It is not a de Polignac number, because 231040201401 - 2¹¹ = 231040199353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231040201901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10008865 + ... + 10031921.

It is an arithmetic number, because the mean of its divisors is an integer number (13939010631).

Almost surely, 2^231040201401 is an apocalyptic number.

It is an amenable number.

231040201401 is a deficient number, since it is larger than the sum of its proper divisors (103496053743).

231040201401 is a wasteful number, since it uses less digits than its factorization.

231040201401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25721 (or 25718 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 231040201401 its reverse (104102040132), we get a palindrome (335142241533).

The spelling of 231040201401 in words is "two hundred thirty-one billion, forty million, two hundred one thousand, four hundred one".