1100402312 has 16 divisors (see below), whose sum is σ = 2063891340. Its totient is φ = 550031296.

The previous prime is 1100402291. The next prime is 1100402327. The reversal of 1100402312 is 2132040011.

It can be written as a sum of positive squares in 2 ways, for example, as 1055860036 + 44542276 = 32494^2 + 6674^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8798 + ... + 47730.

Almost surely, 2^1100402312 is an apocalyptic number.

It is an amenable number.

1100402312 is a deficient number, since it is larger than the sum of its proper divisors (963489028).

1100402312 is a wasteful number, since it uses less digits than its factorization.

1100402312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42472 (or 42468 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1100402312 is about 33172.3124307004. The cubic root of 1100402312 is about 1032.4059482012.

Adding to 1100402312 its reverse (2132040011), we get a palindrome (3232442323).

The spelling of 1100402312 in words is "one billion, one hundred million, four hundred two thousand, three hundred twelve".