54313131 has 8 divisors (see below), whose sum is σ = 72454144. Its totient is φ = 36190440.

The previous prime is 54313123. The next prime is 54313139. The reversal of 54313131 is 13131345.

54313131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54313123) and next prime (54313139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54313131 - 2³ = 54313123 is a prime.

It is a super-2 number, since 2×54313131² = 5899832398046322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54313098 and 54313107.

It is not an unprimeable number, because it can be changed into a prime (54313139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526 + ... + 11796.

It is an arithmetic number, because the mean of its divisors is an integer number (9056768).

Almost surely, 2^54313131 is an apocalyptic number.

54313131 is a deficient number, since it is larger than the sum of its proper divisors (18141013).

54313131 is a wasteful number, since it uses less digits than its factorization.

54313131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9161.

The product of its digits is 540, while the sum is 21.

The square root of 54313131 is about 7369.7442967853. The cubic root of 54313131 is about 378.7055005503.

Adding to 54313131 its reverse (13131345), we get a palindrome (67444476).

The spelling of 54313131 in words is "fifty-four million, three hundred thirteen thousand, one hundred thirty-one".