1310200040 has 32 divisors (see below), whose sum is σ = 2949972480. Its totient is φ = 523720512.

The previous prime is 1310200039. The next prime is 1310200051. The reversal of 1310200040 is 400020131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1310199994 and 1310200030.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52229 + ... + 73131.

It is an arithmetic number, because the mean of its divisors is an integer number (92186640).

Almost surely, 2^1310200040 is an apocalyptic number.

1310200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310200040 is an abundant number, since it is smaller than the sum of its proper divisors (1639772440).

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

1310200040 is a wasteful number, since it uses less digits than its factorization.

1310200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22481 (or 22477 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1310200040 is about 36196.6854836185. The cubic root of 1310200040 is about 1094.2398733389.

Adding to 1310200040 its reverse (400020131), we get a palindrome (1710220171).

The spelling of 1310200040 in words is "one billion, three hundred ten million, two hundred thousand, forty".