1310031040 has 28 divisors (see below), whose sum is σ = 3119512176. Its totient is φ = 524012288.

The previous prime is 1310031031. The next prime is 1310031043. The reversal of 1310031040 is 401300131.

It is a self number, because there is not a number n which added to its sum of digits gives 1310031040.

It is not an unprimeable number, because it can be changed into a prime (1310031043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046604 + ... + 2047243.

Almost surely, 2^1310031040 is an apocalyptic number.

1310031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310031040 is an abundant number, since it is smaller than the sum of its proper divisors (1809481136).

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

1310031040 is an equidigital number, since it uses as much as digits as its factorization.

1310031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093864 (or 4093854 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310031040 is about 36194.3509404437. The cubic root of 1310031040 is about 1094.1928234014.

Adding to 1310031040 its reverse (401300131), we get a palindrome (1711331171).

The spelling of 1310031040 in words is "one billion, three hundred ten million, thirty-one thousand, forty".