31400201 has 4 divisors (see below), whose sum is σ = 35885952. Its totient is φ = 26914452.

The previous prime is 31400189. The next prime is 31400231. The reversal of 31400201 is 10200413.

It is a happy number.

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 31400201 - 2¹⁴ = 31383817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400231) 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, 2242865 + ... + 2242878.

It is an arithmetic number, because the mean of its divisors is an integer number (8971488).

Almost surely, 2^31400201 is an apocalyptic number.

It is an amenable number.

31400201 is a deficient number, since it is larger than the sum of its proper divisors (4485751).

31400201 is an equidigital number, since it uses as much as digits as its factorization.

31400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4485750.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 31400201 is about 5603.5882254141. The cubic root of 31400201 is about 315.4840998514.

Adding to 31400201 its reverse (10200413), we get a palindrome (41600614).

The spelling of 31400201 in words is "thirty-one million, four hundred thousand, two hundred one".