31260847969 has 8 divisors (see below), whose sum is σ = 35129247552. Its totient is φ = 27601551120.

The previous prime is 31260847967. The next prime is 31260847997. The reversal of 31260847969 is 96974806213.

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

It is not a de Polignac number, because 31260847969 - 2¹ = 31260847967 is a prime.

It is a super-2 number, since 2×31260847969² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31260847967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52275367 + ... + 52275964.

It is an arithmetic number, because the mean of its divisors is an integer number (4391155944).

Almost surely, 2^31260847969 is an apocalyptic number.

It is an amenable number.

31260847969 is a deficient number, since it is larger than the sum of its proper divisors (3868399583).

31260847969 is a wasteful number, since it uses less digits than its factorization.

31260847969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104551367.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 31260847969 in words is "thirty-one billion, two hundred sixty million, eight hundred forty-seven thousand, nine hundred sixty-nine".