2031321134 has 4 divisors (see below), whose sum is σ = 3046981704. Its totient is φ = 1015660566.

The previous prime is 2031321121. The next prime is 2031321139. The reversal of 2031321134 is 4311231302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031321139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507830282 + ... + 507830285.

It is an arithmetic number, because the mean of its divisors is an integer number (761745426).

Almost surely, 2^2031321134 is an apocalyptic number.

2031321134 is a deficient number, since it is larger than the sum of its proper divisors (1015660570).

2031321134 is a wasteful number, since it uses less digits than its factorization.

2031321134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015660569.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031321134 is about 45070.1800972661. The cubic root of 2031321134 is about 1266.4640382090.

Adding to 2031321134 its reverse (4311231302), we get a palindrome (6342552436).

The spelling of 2031321134 in words is "two billion, thirty-one million, three hundred twenty-one thousand, one hundred thirty-four".