31280230487 has 8 divisors (see below), whose sum is σ = 34425870480. Its totient is φ = 28184920960.

The previous prime is 31280230453. The next prime is 31280230543. The reversal of 31280230487 is 78403208213.

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

It is a cyclic number.

It is not a de Polignac number, because 31280230487 - 2¹⁴ = 31280214103 is a prime.

It is a super-3 number, since 3×31280230487³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31280230487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31280230447) 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, 12581312 + ... + 12583797.

It is an arithmetic number, because the mean of its divisors is an integer number (4303233810).

Almost surely, 2^31280230487 is an apocalyptic number.

31280230487 is a deficient number, since it is larger than the sum of its proper divisors (3145639993).

31280230487 is a wasteful number, since it uses less digits than its factorization.

31280230487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25165233.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 31280230487 in words is "thirty-one billion, two hundred eighty million, two hundred thirty thousand, four hundred eighty-seven".