31048163147 has 4 divisors (see below), whose sum is σ = 31633977600. Its totient is φ = 30462348696.

The previous prime is 31048163137. The next prime is 31048163171. The reversal of 31048163147 is 74136184013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31048163147 - 2¹⁴ = 31048146763 is a prime.

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 31048163147.

It is not an unprimeable number, because it can be changed into a prime (31048163137) 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, 292907147 + ... + 292907252.

It is an arithmetic number, because the mean of its divisors is an integer number (7908494400).

Almost surely, 2^31048163147 is an apocalyptic number.

31048163147 is a deficient number, since it is larger than the sum of its proper divisors (585814453).

31048163147 is an equidigital number, since it uses as much as digits as its factorization.

31048163147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585814452.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 31048163147 in words is "thirty-one billion, forty-eight million, one hundred sixty-three thousand, one hundred forty-seven".