31132011003 has 4 divisors (see below), whose sum is σ = 41509348008. Its totient is φ = 20754674000.

The previous prime is 31132010983. The next prime is 31132011007. The reversal of 31132011003 is 30011023113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31132011003 - 2³⁰ = 30058269179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31132011007) 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, 5188668498 + ... + 5188668503.

It is an arithmetic number, because the mean of its divisors is an integer number (10377337002).

Almost surely, 2^31132011003 is an apocalyptic number.

31132011003 is a deficient number, since it is larger than the sum of its proper divisors (10377337005).

31132011003 is a wasteful number, since it uses less digits than its factorization.

31132011003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377337004.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 31132011003 its reverse (30011023113), we get a palindrome (61143034116).

The spelling of 31132011003 in words is "thirty-one billion, one hundred thirty-two million, eleven thousand, three".