31408470077 has 8 divisors (see below), whose sum is σ = 31463258112. Its totient is φ = 31353710400.

The previous prime is 31408470073. The next prime is 31408470089. The reversal of 31408470077 is 77007480413.

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

It is not a de Polignac number, because 31408470077 - 2² = 31408470073 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 (31408470073) 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, 4541252 + ... + 4548162.

It is an arithmetic number, because the mean of its divisors is an integer number (3932907264).

Almost surely, 2^31408470077 is an apocalyptic number.

It is an amenable number.

31408470077 is a deficient number, since it is larger than the sum of its proper divisors (54788035).

31408470077 is an equidigital number, since it uses as much as digits as its factorization.

31408470077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179.

The product of its (nonzero) digits is 131712, while the sum is 41.

The spelling of 31408470077 in words is "thirty-one billion, four hundred eight million, four hundred seventy thousand, seventy-seven".