49143031 has 24 divisors (see below), whose sum is σ = 59097600. Its totient is φ = 40727232.

The previous prime is 49142981. The next prime is 49143037. The reversal of 49143031 is 13034194.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-49143031 is a prime.

It is a super-2 number, since 2×49143031² = 4830074991733922, 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 = 49142987 and 49143005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49143037) 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 23 ways as a sum of consecutive naturals, for example, 329745 + ... + 329893.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^49143031 is an apocalyptic number.

49143031 is a deficient number, since it is larger than the sum of its proper divisors (9954569).

49143031 is a wasteful number, since it uses less digits than its factorization.

49143031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 49143031 is about 7010.2090553706. The cubic root of 49143031 is about 366.2862755715.

The spelling of 49143031 in words is "forty-nine million, one hundred forty-three thousand, thirty-one".