1331102013123 has 32 divisors (see below), whose sum is σ = 1887624490752. Its totient is φ = 831465676800.

The previous prime is 1331102013107. The next prime is 1331102013139. The reversal of 1331102013123 is 3213102011331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1331102013107) and next prime (1331102013139).

It is not a de Polignac number, because 1331102013123 - 2⁴ = 1331102013107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331102013123.

It is not an unprimeable number, because it can be changed into a prime (1331102013103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11607715 + ... + 11721827.

It is an arithmetic number, because the mean of its divisors is an integer number (58988265336).

Almost surely, 2^{1331102013123} is an apocalyptic number.

1331102013123 is a deficient number, since it is larger than the sum of its proper divisors (556522477629).

1331102013123 is a wasteful number, since it uses less digits than its factorization.

1331102013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115155.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1331102013123 its reverse (3213102011331), we get a palindrome (4544204024454).

The spelling of 1331102013123 in words is "one trillion, three hundred thirty-one billion, one hundred two million, thirteen thousand, one hundred twenty-three".