1102321131 has 32 divisors (see below), whose sum is σ = 1543104000. Its totient is φ = 699229440.

The previous prime is 1102321111. The next prime is 1102321133. The reversal of 1102321131 is 1311232011.

It is a happy number.

It is not a de Polignac number, because 1102321131 - 2⁶ = 1102321067 is a prime.

It is a super-2 number, since 2×1102321131² = 2430223751698238322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1102321131.

It is not an unprimeable number, because it can be changed into a prime (1102321133) 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, 1839970 + ... + 1840568.

It is an arithmetic number, because the mean of its divisors is an integer number (48222000).

Almost surely, 2^1102321131 is an apocalyptic number.

1102321131 is a deficient number, since it is larger than the sum of its proper divisors (440782869).

1102321131 is a wasteful number, since it uses less digits than its factorization.

1102321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1102321131 is about 33201.2218299267. The cubic root of 1102321131 is about 1033.0056833435.

Adding to 1102321131 its reverse (1311232011), we get a palindrome (2413553142).

The spelling of 1102321131 in words is "one billion, one hundred two million, three hundred twenty-one thousand, one hundred thirty-one".