1310020231330 has 64 divisors (see below), whose sum is σ = 2382649758720. Its totient is φ = 518574115584.

The previous prime is 1310020231327. The next prime is 1310020231339. The reversal of 1310020231330 is 331320200131.

It is a junction number, because it is equal to n+sod(n) for n = 1310020231298 and 1310020231307.

It is not an unprimeable number, because it can be changed into a prime (1310020231339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350364601 + ... + 350368339.

It is an arithmetic number, because the mean of its divisors is an integer number (37228902480).

Almost surely, 2^{1310020231330} is an apocalyptic number.

1310020231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310020231330 is a deficient number, since it is larger than the sum of its proper divisors (1072629527390).

1310020231330 is a wasteful number, since it uses less digits than its factorization.

1310020231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1310020231330 its reverse (331320200131), we get a palindrome (1641340431461).

The spelling of 1310020231330 in words is "one trillion, three hundred ten billion, twenty million, two hundred thirty-one thousand, three hundred thirty".