31725901034 has 4 divisors (see below), whose sum is σ = 47588851554. Its totient is φ = 15862950516.

The previous prime is 31725901033. The next prime is 31725901043. The reversal of 31725901034 is 43010952713.

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

It can be written as a sum of positive squares in only one way, i.e., 31186500409 + 539400625 = 176597^2 + 23225^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31725900985 and 31725901003.

It is not an unprimeable number, because it can be changed into a prime (31725901033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7931475257 + ... + 7931475260.

Almost surely, 2^31725901034 is an apocalyptic number.

31725901034 is a deficient number, since it is larger than the sum of its proper divisors (15862950520).

31725901034 is a wasteful number, since it uses less digits than its factorization.

31725901034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15862950519.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 31725901034 in words is "thirty-one billion, seven hundred twenty-five million, nine hundred one thousand, thirty-four".