1313123031332 has 72 divisors (see below), whose sum is σ = 2656522223040. Its totient is φ = 556351632000.

The previous prime is 1313123031323. The next prime is 1313123031343. The reversal of 1313123031332 is 2331303213131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211075982 + ... + 211082202.

Almost surely, 2^{1313123031332} is an apocalyptic number.

It is an amenable number.

1313123031332 is an abundant number, since it is smaller than the sum of its proper divisors (1343399191708).

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

1313123031332 is a wasteful number, since it uses less digits than its factorization.

1313123031332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1313123031332 its reverse (2331303213131), we get a palindrome (3644426244463).

The spelling of 1313123031332 in words is "one trillion, three hundred thirteen billion, one hundred twenty-three million, thirty-one thousand, three hundred thirty-two".