48031613 has 36 divisors (see below), whose sum is σ = 62411580. Its totient is φ = 36723456.

The previous prime is 48031573. The next prime is 48031631. The reversal of 48031613 is 31613084.

It can be written as a sum of positive squares in 2 ways, for example, as 35485849 + 12545764 = 5957^2 + 3542^2 .

It is not a de Polignac number, because 48031613 - 2¹⁴ = 48015229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48031663) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 440603 + ... + 440711.

It is an arithmetic number, because the mean of its divisors is an integer number (1733655).

Almost surely, 2^48031613 is an apocalyptic number.

It is an amenable number.

48031613 is a deficient number, since it is larger than the sum of its proper divisors (14379967).

48031613 is a wasteful number, since it uses less digits than its factorization.

48031613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 48031613 is about 6930.4843265099. The cubic root of 48031613 is about 363.5038852703.

Adding to 48031613 its reverse (31613084), we get a palindrome (79644697).

The spelling of 48031613 in words is "forty-eight million, thirty-one thousand, six hundred thirteen".