1331111120293 has 4 divisors (see below), whose sum is σ = 1331115956640. Its totient is φ = 1331106283948.

The previous prime is 1331111120243. The next prime is 1331111120299. The reversal of 1331111120293 is 3920211111331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331111120293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331111120299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978705 + ... + 2564662.

It is an arithmetic number, because the mean of its divisors is an integer number (332778989160).

Almost surely, 2^{1331111120293} is an apocalyptic number.

It is an amenable number.

1331111120293 is a deficient number, since it is larger than the sum of its proper divisors (4836347).

1331111120293 is an equidigital number, since it uses as much as digits as its factorization.

1331111120293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836346.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 1331111120293 in words is "one trillion, three hundred thirty-one billion, one hundred eleven million, one hundred twenty thousand, two hundred ninety-three".