1100381131 has 8 divisors (see below), whose sum is σ = 1107368640. Its totient is φ = 1093416192.

The previous prime is 1100381081. The next prime is 1100381153. The reversal of 1100381131 is 1311830011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100381131 is a prime.

It is a super-2 number, since 2×1100381131² = 2421677266921678322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100381099 and 1100381108.

It is not an unprimeable number, because it can be changed into a prime (1100381171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98110 + ... + 108748.

It is an arithmetic number, because the mean of its divisors is an integer number (138421080).

Almost surely, 2^1100381131 is an apocalyptic number.

1100381131 is a deficient number, since it is larger than the sum of its proper divisors (6987509).

1100381131 is a wasteful number, since it uses less digits than its factorization.

1100381131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1100381131 is about 33171.9931719515. The cubic root of 1100381131 is about 1032.3993240994.

The spelling of 1100381131 in words is "one billion, one hundred million, three hundred eighty-one thousand, one hundred thirty-one".