131465032431154 has 32 divisors (see below), whose sum is σ = 197670741120000. Its totient is φ = 65575008733584.

The previous prime is 131465032431091. The next prime is 131465032431157. The reversal of 131465032431154 is 451134230564131.

It is a self number, because there is not a number n which added to its sum of digits gives 131465032431154.

It is not an unprimeable number, because it can be changed into a prime (131465032431157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6332907027 + ... + 6332927785.

It is an arithmetic number, because the mean of its divisors is an integer number (6177210660000).

Almost surely, 2^{131465032431154} is an apocalyptic number.

131465032431154 is a deficient number, since it is larger than the sum of its proper divisors (66205708688846).

131465032431154 is a wasteful number, since it uses less digits than its factorization.

131465032431154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25782.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 131465032431154 its reverse (451134230564131), we get a palindrome (582599262995285).

The spelling of 131465032431154 in words is "one hundred thirty-one trillion, four hundred sixty-five billion, thirty-two million, four hundred thirty-one thousand, one hundred fifty-four".