1313121223032 has 32 divisors (see below), whose sum is σ = 3285345972480. Its totient is φ = 437368019040.

The previous prime is 1313121222997. The next prime is 1313121223033. The reversal of 1313121223032 is 2303221213131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1313121222993 and 1313121223011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313121223033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21159328 + ... + 21221295.

It is an arithmetic number, because the mean of its divisors is an integer number (102667061640).

Almost surely, 2^{1313121223032} is an apocalyptic number.

1313121223032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313121223032 is an abundant number, since it is smaller than the sum of its proper divisors (1972224749448).

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

1313121223032 is a wasteful number, since it uses less digits than its factorization.

1313121223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42381923 (or 42381919 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1313121223032 its reverse (2303221213131), we get a palindrome (3616342436163).

Subtracting 1313121223032 from its reverse (2303221213131), we obtain a palindrome (990099990099).

The spelling of 1313121223032 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty-three thousand, thirty-two".