31004231112201 has 4 divisors (see below), whose sum is σ = 41338974816272. Its totient is φ = 20669487408132.

The previous prime is 31004231112187. The next prime is 31004231112209. The reversal of 31004231112201 is 10221113240013.

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 not a de Polignac number, because 31004231112201 - 2²⁵ = 31004197557769 is a prime.

It is a super-2 number, since 2×31004231112201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31004231112209) 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, 5167371852031 + ... + 5167371852036.

It is an arithmetic number, because the mean of its divisors is an integer number (10334743704068).

Almost surely, 2^{31004231112201} is an apocalyptic number.

It is an amenable number.

31004231112201 is a deficient number, since it is larger than the sum of its proper divisors (10334743704071).

31004231112201 is a wasteful number, since it uses less digits than its factorization.

31004231112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10334743704070.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31004231112201 its reverse (10221113240013), we get a palindrome (41225344352214).

The spelling of 31004231112201 in words is "thirty-one trillion, four billion, two hundred thirty-one million, one hundred twelve thousand, two hundred one".