31400264085 has 8 divisors (see below), whose sum is σ = 50240422560. Its totient is φ = 16746807504.

The previous prime is 31400264041. The next prime is 31400264131. The reversal of 31400264085 is 58046200413.

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

It is not a de Polignac number, because 31400264085 - 2⁷ = 31400263957 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1046675455 + ... + 1046675484.

It is an arithmetic number, because the mean of its divisors is an integer number (6280052820).

Almost surely, 2^31400264085 is an apocalyptic number.

It is an amenable number.

31400264085 is a deficient number, since it is larger than the sum of its proper divisors (18840158475).

31400264085 is a wasteful number, since it uses less digits than its factorization.

31400264085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093350947.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 31400264085 its reverse (58046200413), we get a palindrome (89446464498).

The spelling of 31400264085 in words is "thirty-one billion, four hundred million, two hundred sixty-four thousand, eighty-five".