11320332331 has 32 divisors (see below), whose sum is σ = 14301163008. Its totient is φ = 8704631040.

The previous prime is 11320332319. The next prime is 11320332343. The reversal of 11320332331 is 13323302311.

It is an interprime number because it is at equal distance from previous prime (11320332319) and next prime (11320332343).

It is not a de Polignac number, because 11320332331 - 2¹⁹ = 11319808043 is a prime.

It is a super-2 number, since 2×11320332331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11320332311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1821876 + ... + 1828078.

It is an arithmetic number, because the mean of its divisors is an integer number (446911344).

Almost surely, 2^11320332331 is an apocalyptic number.

11320332331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320332331 is a deficient number, since it is larger than the sum of its proper divisors (2980830677).

11320332331 is a wasteful number, since it uses less digits than its factorization.

11320332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6531.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 11320332331 its reverse (13323302311), we get a palindrome (24643634642).

The spelling of 11320332331 in words is "eleven billion, three hundred twenty million, three hundred thirty-two thousand, three hundred thirty-one".