1301311332 has 60 divisors (see below), whose sum is σ = 3466117116. Its totient is φ = 425580480.

The previous prime is 1301311313. The next prime is 1301311337. The reversal of 1301311332 is 2331131031.

It is a happy number.

1301311332 is a `hidden beast` number, since 1 + 301 + 31 + 1 + 332 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 588741696 + 712569636 = 24264^2 + 26694^2 .

It is a super-2 number, since 2×1301311332² = 3386822365583228448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1301311337) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20719 + ... + 55062.

Almost surely, 2^1301311332 is an apocalyptic number.

1301311332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301311332 is an abundant number, since it is smaller than the sum of its proper divisors (2164805784).

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

1301311332 is a wasteful number, since it uses less digits than its factorization.

1301311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75850 (or 75839 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1301311332 is about 36073.6930740394. The cubic root of 1301311332 is about 1091.7597285646.

Adding to 1301311332 its reverse (2331131031), we get a palindrome (3632442363).

The spelling of 1301311332 in words is "one billion, three hundred one million, three hundred eleven thousand, three hundred thirty-two".