1231021034 has 8 divisors (see below), whose sum is σ = 1955151108. Its totient is φ = 579304000.

The previous prime is 1231021021. The next prime is 1231021049. The reversal of 1231021034 is 4301201321.

It can be written as a sum of positive squares in 2 ways, for example, as 1051380625 + 179640409 = 32425^2 + 13403^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18103217 + ... + 18103284.

Almost surely, 2^1231021034 is an apocalyptic number.

1231021034 is a deficient number, since it is larger than the sum of its proper divisors (724130074).

1231021034 is a wasteful number, since it uses less digits than its factorization.

1231021034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36206520.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1231021034 is about 35085.9093369404. The cubic root of 1231021034 is about 1071.7376586875.

Adding to 1231021034 its reverse (4301201321), we get a palindrome (5532222355).

The spelling of 1231021034 in words is "one billion, two hundred thirty-one million, twenty-one thousand, thirty-four".