1201031311332 has 24 divisors (see below), whose sum is σ = 2804057829216. Its totient is φ = 400107851008.

The previous prime is 1201031311331. The next prime is 1201031311369. The reversal of 1201031311332 is 2331131301021.

It is a happy number.

It is a super-2 number, since 2×1201031311332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201031311299 and 1201031311308.

It is not an unprimeable number, because it can be changed into a prime (1201031311331) 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, 29468718 + ... + 29509445.

It is an arithmetic number, because the mean of its divisors is an integer number (116835742884).

Almost surely, 2^{1201031311332} is an apocalyptic number.

1201031311332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201031311332 is an abundant number, since it is smaller than the sum of its proper divisors (1603026517884).

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

1201031311332 is a wasteful number, since it uses less digits than its factorization.

1201031311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58979867 (or 58979865 counting only the distinct ones).

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

Adding to 1201031311332 its reverse (2331131301021), we get a palindrome (3532162612353).

The spelling of 1201031311332 in words is "one trillion, two hundred one billion, thirty-one million, three hundred eleven thousand, three hundred thirty-two".