31322132011 has 8 divisors (see below), whose sum is σ = 31367545344. Its totient is φ = 31276746600.

The previous prime is 31322132003. The next prime is 31322132063. The reversal of 31322132011 is 11023122313.

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 31322132011 - 2³ = 31322132003 is a prime.

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 31322132011.

It is not an unprimeable number, because it can be changed into a prime (31322136011) 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, 3274686 + ... + 3284236.

It is an arithmetic number, because the mean of its divisors is an integer number (3920943168).

Almost surely, 2^31322132011 is an apocalyptic number.

31322132011 is a deficient number, since it is larger than the sum of its proper divisors (45413333).

31322132011 is an equidigital number, since it uses as much as digits as its factorization.

31322132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13961.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31322132011 its reverse (11023122313), we get a palindrome (42345254324).

The spelling of 31322132011 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirty-two thousand, eleven".