31113244201 has 8 divisors (see below), whose sum is σ = 33508625024. Its totient is φ = 28718156880.

The previous prime is 31113244187. The next prime is 31113244213. The reversal of 31113244201 is 10244231113.

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 31113244201 - 2¹⁵ = 31113211433 is a prime.

It is a super-2 number, since 2×31113244201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113244291) 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, 178960 + ... + 307006.

It is an arithmetic number, because the mean of its divisors is an integer number (4188578128).

Almost surely, 2^31113244201 is an apocalyptic number.

It is an amenable number.

31113244201 is a deficient number, since it is larger than the sum of its proper divisors (2395380823).

31113244201 is a wasteful number, since it uses less digits than its factorization.

31113244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146751.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31113244201 its reverse (10244231113), we get a palindrome (41357475314).

The spelling of 31113244201 in words is "thirty-one billion, one hundred thirteen million, two hundred forty-four thousand, two hundred one".