1311023332132 has 12 divisors (see below), whose sum is σ = 2373404308380. Its totient is φ = 632907815456.

The previous prime is 1311023332121. The next prime is 1311023332141. The reversal of 1311023332132 is 2312333201131.

It can be written as a sum of positive squares in 2 ways, for example, as 1083318762276 + 227704569856 = 1040826^2 + 477184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311023332097 and 1311023332106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5650962523 + ... + 5650962754.

It is an arithmetic number, because the mean of its divisors is an integer number (197783692365).

Almost surely, 2^{1311023332132} is an apocalyptic number.

It is an amenable number.

1311023332132 is a deficient number, since it is larger than the sum of its proper divisors (1062380976248).

1311023332132 is a wasteful number, since it uses less digits than its factorization.

1311023332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11301925310 (or 11301925308 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1311023332132 its reverse (2312333201131), we get a palindrome (3623356533263).

The spelling of 1311023332132 in words is "one trillion, three hundred eleven billion, twenty-three million, three hundred thirty-two thousand, one hundred thirty-two".