1340032231 has 8 divisors (see below), whose sum is σ = 1366146000. Its totient is φ = 1313949312.

The previous prime is 1340032229. The next prime is 1340032297. The reversal of 1340032231 is 1322300431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340032231 - 2¹ = 1340032229 is a prime.

It is a super-2 number, since 2×1340032231² = 3591372760237674722, 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 = 1340032199 and 1340032208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340036231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92520 + ... + 106018.

It is an arithmetic number, because the mean of its divisors is an integer number (170768250).

Almost surely, 2^1340032231 is an apocalyptic number.

1340032231 is a deficient number, since it is larger than the sum of its proper divisors (26113769).

1340032231 is a wasteful number, since it uses less digits than its factorization.

1340032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1340032231 is about 36606.4506747103. The cubic root of 1340032231 is about 1102.4826106406.

Adding to 1340032231 its reverse (1322300431), we get a palindrome (2662332662).

The spelling of 1340032231 in words is "one billion, three hundred forty million, thirty-two thousand, two hundred thirty-one".