1340300331 has 8 divisors (see below), whose sum is σ = 1985630160. Its totient is φ = 893533536.

The previous prime is 1340300323. The next prime is 1340300341. The reversal of 1340300331 is 1330030431.

1340300331 is a `hidden beast` number, since 1 + 34 + 0 + 300 + 331 = 666.

It is not a de Polignac number, because 1340300331 - 2³ = 1340300323 is a prime.

It is a super-2 number, since 2×1340300331² = 3592809954557419122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1340300341) 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, 24820350 + ... + 24820403.

It is an arithmetic number, because the mean of its divisors is an integer number (248203770).

Almost surely, 2^1340300331 is an apocalyptic number.

1340300331 is a deficient number, since it is larger than the sum of its proper divisors (645329829).

1340300331 is an equidigital number, since it uses as much as digits as its factorization.

1340300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49640762 (or 49640756 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1340300331 is about 36610.1124144682. The cubic root of 1340300331 is about 1102.5561302350.

Adding to 1340300331 its reverse (1330030431), we get a palindrome (2670330762).

The spelling of 1340300331 in words is "one billion, three hundred forty million, three hundred thousand, three hundred thirty-one".