31401201 has 8 divisors (see below), whose sum is σ = 45088960. Its totient is φ = 19323792.

The previous prime is 31401199. The next prime is 31401211. The reversal of 31401201 is 10210413.

It is a happy number.

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

It is not a de Polignac number, because 31401201 - 2¹ = 31401199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31401211) 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, 402541 + ... + 402618.

It is an arithmetic number, because the mean of its divisors is an integer number (5636120).

Almost surely, 2^31401201 is an apocalyptic number.

It is an amenable number.

31401201 is a deficient number, since it is larger than the sum of its proper divisors (13687759).

31401201 is a wasteful number, since it uses less digits than its factorization.

31401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805175.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 31401201 is about 5603.6774532444. The cubic root of 31401201 is about 315.4874488826.

Adding to 31401201 its reverse (10210413), we get a palindrome (41611614).

The spelling of 31401201 in words is "thirty-one million, four hundred one thousand, two hundred one".