1311233230032 has 80 divisors (see below), whose sum is σ = 3695705120448. Its totient is φ = 397299159040.

The previous prime is 1311233230003. The next prime is 1311233230037. The reversal of 1311233230032 is 2300323321131.

It is a super-3 number, since 3×1311233230032³ (a number of 37 digits) contains 333 as substring.

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 = 1311233229984 and 1311233230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311233230037) 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, 4773088 + ... + 5040320.

Almost surely, 2^{1311233230032} is an apocalyptic number.

1311233230032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311233230032 is an abundant number, since it is smaller than the sum of its proper divisors (2384471890416).

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

1311233230032 is a wasteful number, since it uses less digits than its factorization.

1311233230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276548 (or 276542 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1311233230032 its reverse (2300323321131), we get a palindrome (3611556551163).

The spelling of 1311233230032 in words is "one trillion, three hundred eleven billion, two hundred thirty-three million, two hundred thirty thousand, thirty-two".