131289232238 has 8 divisors (see below), whose sum is σ = 208518192432. Its totient is φ = 61783168096.

The previous prime is 131289232231. The next prime is 131289232241. The reversal of 131289232238 is 832232982131.

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

It is a super-3 number, since 3×131289232238³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131289232231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930723970 + ... + 1930724037.

It is an arithmetic number, because the mean of its divisors is an integer number (26064774054).

Almost surely, 2^131289232238 is an apocalyptic number.

131289232238 is a deficient number, since it is larger than the sum of its proper divisors (77228960194).

131289232238 is a wasteful number, since it uses less digits than its factorization.

131289232238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861448026.

The product of its digits is 248832, while the sum is 44.

The spelling of 131289232238 in words is "one hundred thirty-one billion, two hundred eighty-nine million, two hundred thirty-two thousand, two hundred thirty-eight".