11931301293 has 4 divisors (see below), whose sum is σ = 15908401728. Its totient is φ = 7954200860.

The previous prime is 11931301273. The next prime is 11931301321. The reversal of 11931301293 is 39210313911.

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 not a de Polignac number, because 11931301293 - 2¹² = 11931297197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11931301253) 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, 1988550213 + ... + 1988550218.

It is an arithmetic number, because the mean of its divisors is an integer number (3977100432).

Almost surely, 2^11931301293 is an apocalyptic number.

It is an amenable number.

11931301293 is a deficient number, since it is larger than the sum of its proper divisors (3977100435).

11931301293 is an equidigital number, since it uses as much as digits as its factorization.

11931301293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977100434.

The product of its (nonzero) digits is 4374, while the sum is 33.

The spelling of 11931301293 in words is "eleven billion, nine hundred thirty-one million, three hundred one thousand, two hundred ninety-three".