1011311234 has 8 divisors (see below), whose sum is σ = 1524590400. Its totient is φ = 503114436.

The previous prime is 1011311221. The next prime is 1011311237. The reversal of 1011311234 is 4321131101.

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

It is not an unprimeable number, because it can be changed into a prime (1011311237) by changing a digit.

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, 1270094 + ... + 1270889.

It is an arithmetic number, because the mean of its divisors is an integer number (190573800).

Almost surely, 2^1011311234 is an apocalyptic number.

1011311234 is a deficient number, since it is larger than the sum of its proper divisors (513279166).

1011311234 is a wasteful number, since it uses less digits than its factorization.

1011311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541184.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1011311234 is about 31801.1200117229. The cubic root of 1011311234 is about 1003.7562839972.

Adding to 1011311234 its reverse (4321131101), we get a palindrome (5332442335).

The spelling of 1011311234 in words is "one billion, eleven million, three hundred eleven thousand, two hundred thirty-four".