131121310551454 has 16 divisors (see below), whose sum is σ = 197033423950800. Its totient is φ = 65443537829824.

The previous prime is 131121310551397. The next prime is 131121310551503. The reversal of 131121310551454 is 454155013121131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372384 + ... + 16251955.

It is an arithmetic number, because the mean of its divisors is an integer number (12314588996925).

Almost surely, 2^{131121310551454} is an apocalyptic number.

131121310551454 is a deficient number, since it is larger than the sum of its proper divisors (65912113399346).

131121310551454 is a wasteful number, since it uses less digits than its factorization.

131121310551454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17630987.

The product of its (nonzero) digits is 36000, while the sum is 37.

Adding to 131121310551454 its reverse (454155013121131), we get a palindrome (585276323672585).

The spelling of 131121310551454 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, three hundred ten million, five hundred fifty-one thousand, four hundred fifty-four".