201102031231 has 8 divisors (see below), whose sum is σ = 206020481184. Its totient is φ = 196184225280.

The previous prime is 201102031201. The next prime is 201102031241. The reversal of 201102031231 is 132130201102.

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 201102031231 - 2²⁵ = 201068476799 is a prime.

It is a super-2 number, since 2×201102031231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102031201) 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, 504390 + ... + 810316.

It is an arithmetic number, because the mean of its divisors is an integer number (25752560148).

Almost surely, 2^201102031231 is an apocalyptic number.

201102031231 is a deficient number, since it is larger than the sum of its proper divisors (4918449953).

201102031231 is a wasteful number, since it uses less digits than its factorization.

201102031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322001.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201102031231 its reverse (132130201102), we get a palindrome (333232232333).

The spelling of 201102031231 in words is "two hundred one billion, one hundred two million, thirty-one thousand, two hundred thirty-one".