31425536087 has 8 divisors (see below), whose sum is σ = 34284971520. Its totient is φ = 28566528760.

The previous prime is 31425536059. The next prime is 31425536117. The reversal of 31425536087 is 78063552413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-31425536087 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 (31425539087) 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 in 7 ways as a sum of consecutive naturals, for example, 57464 + ... + 257202.

It is an arithmetic number, because the mean of its divisors is an integer number (4285621440).

Almost surely, 2^31425536087 is an apocalyptic number.

31425536087 is a deficient number, since it is larger than the sum of its proper divisors (2859435433).

31425536087 is a wasteful number, since it uses less digits than its factorization.

31425536087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214053.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 31425536087 in words is "thirty-one billion, four hundred twenty-five million, five hundred thirty-six thousand, eighty-seven".