1100320213131 has 12 divisors (see below), whose sum is σ = 1589364962640. Its totient is φ = 733540557840.

The previous prime is 1100320213127. The next prime is 1100320213151. The reversal of 1100320213131 is 1313120230011.

1100320213131 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 320 + 213 + 131 = 666.

It is not a de Polignac number, because 1100320213131 - 2² = 1100320213127 is a prime.

It is a super-2 number, since 2×1100320213131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100320213151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759586 + ... + 1666616.

It is an arithmetic number, because the mean of its divisors is an integer number (132447080220).

Almost surely, 2^{1100320213131} is an apocalyptic number.

1100320213131 is a deficient number, since it is larger than the sum of its proper divisors (489044749509).

1100320213131 is a wasteful number, since it uses less digits than its factorization.

1100320213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041826 (or 1041823 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1100320213131 its reverse (1313120230011), we get a palindrome (2413440443142).

The spelling of 1100320213131 in words is "one trillion, one hundred billion, three hundred twenty million, two hundred thirteen thousand, one hundred thirty-one".