31132033129 has 4 divisors (see below), whose sum is σ = 31134079120. Its totient is φ = 31129987140.

The previous prime is 31132033109. The next prime is 31132033133. The reversal of 31132033129 is 92133023113.

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 31132033129 - 2⁷ = 31132033001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31132033097 and 31132033106.

It is not an unprimeable number, because it can be changed into a prime (31132033109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999999 + ... + 1030660.

It is an arithmetic number, because the mean of its divisors is an integer number (7783519780).

Almost surely, 2^31132033129 is an apocalyptic number.

It is an amenable number.

31132033129 is a deficient number, since it is larger than the sum of its proper divisors (2045991).

31132033129 is a wasteful number, since it uses less digits than its factorization.

31132033129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045990.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 31132033129 in words is "thirty-one billion, one hundred thirty-two million, thirty-three thousand, one hundred twenty-nine".