48019931 has 2 divisors, whose sum is σ = 48019932. Its totient is φ = 48019930.

The previous prime is 48019919. The next prime is 48019967. The reversal of 48019931 is 13991084.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48019931 - 2¹⁴ = 48003547 is a prime.

It is a super-2 number, since 2×48019931² = 4611827546489522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 48019891 and 48019900.

It is not a weakly prime, because it can be changed into another prime (48019981) 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 as a sum of consecutive naturals, namely, 24009965 + 24009966.

It is an arithmetic number, because the mean of its divisors is an integer number (24009966).

Almost surely, 2^48019931 is an apocalyptic number.

48019931 is a deficient number, since it is larger than the sum of its proper divisors (1).

48019931 is an equidigital number, since it uses as much as digits as its factorization.

48019931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 48019931 is about 6929.6414770174. The cubic root of 48019931 is about 363.4744130371.

The spelling of 48019931 in words is "forty-eight million, nineteen thousand, nine hundred thirty-one".