1331131123102 has 48 divisors (see below), whose sum is σ = 2232675809280. Its totient is φ = 594683646480.

The previous prime is 1331131123013. The next prime is 1331131123139. The reversal of 1331131123102 is 2013211311331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3086149 + ... + 3490927.

It is an arithmetic number, because the mean of its divisors is an integer number (46514079360).

Almost surely, 2^{1331131123102} is an apocalyptic number.

1331131123102 is a deficient number, since it is larger than the sum of its proper divisors (901544686178).

1331131123102 is a wasteful number, since it uses less digits than its factorization.

1331131123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405037 (or 405026 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1331131123102 its reverse (2013211311331), we get a palindrome (3344342434433).

The spelling of 1331131123102 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred two".