7138120083831 has 24 divisors (see below), whose sum is σ = 11272559445264. Its totient is φ = 4316666981760.

The previous prime is 7138120083817. The next prime is 7138120083839. The reversal of 7138120083831 is 1383800218317.

7138120083831 is a `hidden beast` number, since 7 + 1 + 381 + 200 + 8 + 38 + 31 = 666.

It is not a de Polignac number, because 7138120083831 - 2⁶ = 7138120083767 is a prime.

It is a super-2 number, since 2×7138120083831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138120083839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78841216 + ... + 78931701.

It is an arithmetic number, because the mean of its divisors is an integer number (469689976886).

Almost surely, 2^{7138120083831} is an apocalyptic number.

7138120083831 is a deficient number, since it is larger than the sum of its proper divisors (4134439361433).

7138120083831 is a wasteful number, since it uses less digits than its factorization.

7138120083831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157773391 (or 157773388 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 7138120083831 in words is "seven trillion, one hundred thirty-eight billion, one hundred twenty million, eighty-three thousand, eight hundred thirty-one".