11312231434 has 24 divisors (see below), whose sum is σ = 20419339140. Its totient is φ = 4680922176.

The previous prime is 11312231429. The next prime is 11312231449. The reversal of 11312231434 is 43413221311.

It can be written as a sum of positive squares in 2 ways, for example, as 11239180225 + 73051209 = 106015^2 + 8547^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11312231399 and 11312231408.

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 11 ways as a sum of consecutive naturals, for example, 1987347 + ... + 1993030.

Almost surely, 2^11312231434 is an apocalyptic number.

11312231434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11312231434 is a deficient number, since it is larger than the sum of its proper divisors (9107107706).

11312231434 is a wasteful number, since it uses less digits than its factorization.

11312231434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980422 (or 3980415 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 11312231434 its reverse (43413221311), we get a palindrome (54725452745).

The spelling of 11312231434 in words is "eleven billion, three hundred twelve million, two hundred thirty-one thousand, four hundred thirty-four".