11403031293 has 6 divisors (see below), whose sum is σ = 16471045214. Its totient is φ = 7602020856.

The previous prime is 11403031267. The next prime is 11403031309. The reversal of 11403031293 is 39213030411.

It can be written as a sum of positive squares in only one way, i.e., 10975286169 + 427745124 = 104763^2 + 20682^2 .

It is not a de Polignac number, because 11403031293 - 2⁶ = 11403031229 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 (11403031693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 633501730 + ... + 633501747.

Almost surely, 2^11403031293 is an apocalyptic number.

It is an amenable number.

11403031293 is a deficient number, since it is larger than the sum of its proper divisors (5068013921).

11403031293 is a wasteful number, since it uses less digits than its factorization.

11403031293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267003483 (or 1267003480 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 11403031293 in words is "eleven billion, four hundred three million, thirty-one thousand, two hundred ninety-three".