1306123631332 has 24 divisors (see below), whose sum is σ = 2546421406200. Its totient is φ = 582039177216.

The previous prime is 1306123631321. The next prime is 1306123631357. The reversal of 1306123631332 is 2331363216031.

It can be written as a sum of positive squares in 4 ways, for example, as 218178673216 + 1087944958116 = 467096^2 + 1043046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433063357 + ... + 433066372.

It is an arithmetic number, because the mean of its divisors is an integer number (106100891925).

Almost surely, 2^{1306123631332} is an apocalyptic number.

It is an amenable number.

1306123631332 is a deficient number, since it is larger than the sum of its proper divisors (1240297774868).

1306123631332 is a wasteful number, since it uses less digits than its factorization.

1306123631332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866129775 (or 866129773 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 34.

Adding to 1306123631332 its reverse (2331363216031), we get a palindrome (3637486847363).

The spelling of 1306123631332 in words is "one trillion, three hundred six billion, one hundred twenty-three million, six hundred thirty-one thousand, three hundred thirty-two".