31468254847 has 4 divisors (see below), whose sum is σ = 31911469776. Its totient is φ = 31025039920.

The previous prime is 31468254823. The next prime is 31468254863. The reversal of 31468254847 is 74845286413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74845286413 = 1759 ⋅42549907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31468254847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31468254794 and 31468254803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31468254877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221607358 + ... + 221607499.

It is an arithmetic number, because the mean of its divisors is an integer number (7977867444).

Almost surely, 2^31468254847 is an apocalyptic number.

31468254847 is a deficient number, since it is larger than the sum of its proper divisors (443214929).

31468254847 is an equidigital number, since it uses as much as digits as its factorization.

31468254847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443214928.

The product of its digits is 5160960, while the sum is 52.

The spelling of 31468254847 in words is "thirty-one billion, four hundred sixty-eight million, two hundred fifty-four thousand, eight hundred forty-seven".