31130233211 has 8 divisors (see below), whose sum is σ = 38811719424. Its totient is φ = 24257324520.

The previous prime is 31130233187. The next prime is 31130233229. The reversal of 31130233211 is 11233203113.

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

It is not a de Polignac number, because 31130233211 - 2¹⁴ = 31130216827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31130233261) 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, 202144295 + ... + 202144448.

It is an arithmetic number, because the mean of its divisors is an integer number (4851464928).

Almost surely, 2^31130233211 is an apocalyptic number.

31130233211 is a deficient number, since it is larger than the sum of its proper divisors (7681486213).

31130233211 is a wasteful number, since it uses less digits than its factorization.

31130233211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404288761.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31130233211 its reverse (11233203113), we get a palindrome (42363436324).

The spelling of 31130233211 in words is "thirty-one billion, one hundred thirty million, two hundred thirty-three thousand, two hundred eleven".