31408201 has 8 divisors (see below), whose sum is σ = 34377408. Its totient is φ = 28458000.

The previous prime is 31408147. The next prime is 31408211. The reversal of 31408201 is 10280413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31408201 - 2⁹ = 31407689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31408211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 8011.

It is an arithmetic number, because the mean of its divisors is an integer number (4297176).

Almost surely, 2^31408201 is an apocalyptic number.

It is an amenable number.

31408201 is a deficient number, since it is larger than the sum of its proper divisors (2969207).

31408201 is a wasteful number, since it uses less digits than its factorization.

31408201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 31408201 is about 5604.3020082790. The cubic root of 31408201 is about 315.5108901098.

Adding to 31408201 its reverse (10280413), we get a palindrome (41688614).

The spelling of 31408201 in words is "thirty-one million, four hundred eight thousand, two hundred one".