49231831 has 8 divisors (see below), whose sum is σ = 56534400. Its totient is φ = 42400440.

The previous prime is 49231811. The next prime is 49231843. The reversal of 49231831 is 13813294.

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

It is a cyclic number.

It is not a de Polignac number, because 49231831 - 2¹³ = 49223639 is a prime.

It is a super-2 number, since 2×49231831² = 4847546367225122, 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 = 49231793 and 49231802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49231811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117571 + ... + 117988.

It is an arithmetic number, because the mean of its divisors is an integer number (7066800).

Almost surely, 2^49231831 is an apocalyptic number.

49231831 is a deficient number, since it is larger than the sum of its proper divisors (7302569).

49231831 is a wasteful number, since it uses less digits than its factorization.

49231831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235589.

The product of its digits is 5184, while the sum is 31.

The square root of 49231831 is about 7016.5398167473. The cubic root of 49231831 is about 366.5067656318.

It can be divided in two parts, 492 and 31831, that added together give a palindrome (32323).

The spelling of 49231831 in words is "forty-nine million, two hundred thirty-one thousand, eight hundred thirty-one".