1331103231332 has 36 divisors (see below), whose sum is σ = 2709989819964. Its totient is φ = 570421454400.

The previous prime is 1331103231317. The next prime is 1331103231347. The reversal of 1331103231332 is 2331323011331.

It is an interprime number because it is at equal distance from previous prime (1331103231317) and next prime (1331103231347).

It can be written as a sum of positive squares in 2 ways, for example, as 1189286215936 + 141817015396 = 1090544^2 + 376586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1918082 + ... + 2518182.

It is an arithmetic number, because the mean of its divisors is an integer number (75277494999).

Almost surely, 2^{1331103231332} is an apocalyptic number.

It is an amenable number.

1331103231332 is an abundant number, since it is smaller than the sum of its proper divisors (1378886588632).

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

1331103231332 is a wasteful number, since it uses less digits than its factorization.

1331103231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611436 (or 611427 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1331103231332 its reverse (2331323011331), we get a palindrome (3662426242663).

The spelling of 1331103231332 in words is "one trillion, three hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, three hundred thirty-two".