1311010123332 has 96 divisors (see below), whose sum is σ = 3866707731712. Its totient is φ = 336416011776.

The previous prime is 1311010123321. The next prime is 1311010123337. The reversal of 1311010123332 is 2333210101131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1311010123299 and 1311010123308.

It is not an unprimeable number, because it can be changed into a prime (1311010123337) 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, 16183363 + ... + 16264170.

Almost surely, 2^{1311010123332} is an apocalyptic number.

1311010123332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311010123332 is an abundant number, since it is smaller than the sum of its proper divisors (2555697608380).

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

1311010123332 is a wasteful number, since it uses less digits than its factorization.

1311010123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32447597 (or 32447595 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1311010123332 its reverse (2333210101131), we get a palindrome (3644220224463).

The spelling of 1311010123332 in words is "one trillion, three hundred eleven billion, ten million, one hundred twenty-three thousand, three hundred thirty-two".