49311258831 has 6 divisors (see below), whose sum is σ = 71227373880. Its totient is φ = 32874172548.

The previous prime is 49311258827. The next prime is 49311258859. The reversal of 49311258831 is 13885211394.

49311258831 is a `hidden beast` number, since 4 + 9 + 31 + 1 + 2 + 588 + 31 = 666.

It is not a de Polignac number, because 49311258831 - 2² = 49311258827 is a prime.

It is a super-2 number, since 2×49311258831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49311258331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2739514371 + ... + 2739514388.

It is an arithmetic number, because the mean of its divisors is an integer number (11871228980).

Almost surely, 2^49311258831 is an apocalyptic number.

49311258831 is a deficient number, since it is larger than the sum of its proper divisors (21916115049).

49311258831 is a wasteful number, since it uses less digits than its factorization.

49311258831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479028765 (or 5479028762 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 49311258831 in words is "forty-nine billion, three hundred eleven million, two hundred fifty-eight thousand, eight hundred thirty-one".