48931311 has 24 divisors (see below), whose sum is σ = 77235760. Its totient is φ = 27371520.

The previous prime is 48931307. The next prime is 48931313. The reversal of 48931311 is 11313984.

It is not a de Polignac number, because 48931311 - 2² = 48931307 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48931313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 466 + ... + 9903.

Almost surely, 2^48931311 is an apocalyptic number.

48931311 is a deficient number, since it is larger than the sum of its proper divisors (28304449).

48931311 is a wasteful number, since it uses less digits than its factorization.

48931311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407 (or 10396 counting only the distinct ones).

The product of its digits is 2592, while the sum is 30.

The square root of 48931311 is about 6995.0919221980. The cubic root of 48931311 is about 365.7595018920.

The spelling of 48931311 in words is "forty-eight million, nine hundred thirty-one thousand, three hundred eleven".