31404201 has 4 divisors (see below), whose sum is σ = 41872272. Its totient is φ = 20936132.

The previous prime is 31404167. The next prime is 31404211. The reversal of 31404201 is 10240413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31404201 - 2⁶ = 31404137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31404211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5234031 + ... + 5234036.

It is an arithmetic number, because the mean of its divisors is an integer number (10468068).

Almost surely, 2^31404201 is an apocalyptic number.

It is an amenable number.

31404201 is a deficient number, since it is larger than the sum of its proper divisors (10468071).

31404201 is a wasteful number, since it uses less digits than its factorization.

31404201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468070.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 31404201 is about 5603.9451282110. The cubic root of 31404201 is about 315.4974955493.

Adding to 31404201 its reverse (10240413), we get a palindrome (41644614).

The spelling of 31404201 in words is "thirty-one million, four hundred four thousand, two hundred one".