1313231431330 has 32 divisors (see below), whose sum is σ = 2909312711424. Its totient is φ = 415616101056.

The previous prime is 1313231431313. The next prime is 1313231431331. The reversal of 1313231431330 is 331341323131.

It is not an unprimeable number, because it can be changed into a prime (1313231431331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721554822 + ... + 721556641.

It is an arithmetic number, because the mean of its divisors is an integer number (90916022232).

Almost surely, 2^{1313231431330} is an apocalyptic number.

1313231431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313231431330 is an abundant number, since it is smaller than the sum of its proper divisors (1596081280094).

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

1313231431330 is a wasteful number, since it uses less digits than its factorization.

1313231431330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443111490.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 1313231431330 its reverse (331341323131), we get a palindrome (1644572754461).

The spelling of 1313231431330 in words is "one trillion, three hundred thirteen billion, two hundred thirty-one million, four hundred thirty-one thousand, three hundred thirty".