49102131 has 8 divisors (see below), whose sum is σ = 70505680. Its totient is φ = 30216672.

The previous prime is 49102129. The next prime is 49102139. The reversal of 49102131 is 13120194.

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

It is not a de Polignac number, because 49102131 - 2¹ = 49102129 is a prime.

It is a super-2 number, since 2×49102131² = 4822038537482322, 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 = 49102098 and 49102107.

It is not an unprimeable number, because it can be changed into a prime (49102139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629476 + ... + 629553.

It is an arithmetic number, because the mean of its divisors is an integer number (8813210).

Almost surely, 2^49102131 is an apocalyptic number.

49102131 is a deficient number, since it is larger than the sum of its proper divisors (21403549).

49102131 is a wasteful number, since it uses less digits than its factorization.

49102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259045.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 49102131 is about 7007.2912740944. The cubic root of 49102131 is about 366.1846316804.

The spelling of 49102131 in words is "forty-nine million, one hundred two thousand, one hundred thirty-one".