31105040201 has 8 divisors (see below), whose sum is σ = 32752843200. Its totient is φ = 29458306800.

The previous prime is 31105040179. The next prime is 31105040207. The reversal of 31105040201 is 10204050113.

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

It is not a de Polignac number, because 31105040201 - 2¹⁰ = 31105039177 is a prime.

It is a super-2 number, since 2×31105040201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31105040201.

It is not an unprimeable number, because it can be changed into a prime (31105040207) 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, 207350 + ... + 324351.

It is an arithmetic number, because the mean of its divisors is an integer number (4094105400).

Almost surely, 2^31105040201 is an apocalyptic number.

It is an amenable number.

31105040201 is a deficient number, since it is larger than the sum of its proper divisors (1647802999).

31105040201 is a wasteful number, since it uses less digits than its factorization.

31105040201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534799.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 31105040201 its reverse (10204050113), we get a palindrome (41309090314).

The spelling of 31105040201 in words is "thirty-one billion, one hundred five million, forty thousand, two hundred one".