1310000340 has 48 divisors (see below), whose sum is σ = 4001457600. Its totient is φ = 317575680.

The previous prime is 1310000323. The next prime is 1310000359. The reversal of 1310000340 is 430000131.

It is a super-2 number, since 2×1310000340² = 3432201781600231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991765 + ... + 993084.

It is an arithmetic number, because the mean of its divisors is an integer number (83363700).

Almost surely, 2^1310000340 is an apocalyptic number.

1310000340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310000340 is an abundant number, since it is smaller than the sum of its proper divisors (2691457260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310000340 is a wasteful number, since it uses less digits than its factorization.

1310000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984872 (or 1984870 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1310000340 is about 36193.9268386286. The cubic root of 1310000340 is about 1094.1842760258.

Adding to 1310000340 its reverse (430000131), we get a palindrome (1740000471).

The spelling of 1310000340 in words is "one billion, three hundred ten million, three hundred forty", and thus it is an aban number.