431344526555121 has 32 divisors (see below), whose sum is σ = 579606151170048. Its totient is φ = 285325029118080.

The previous prime is 431344526555053. The next prime is 431344526555161. The reversal of 431344526555121 is 121555625443134.

It is not a de Polignac number, because 431344526555121 - 2¹⁵ = 431344526522353 is a prime.

It is a super-2 number, since 2×431344526555121² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431344526555161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14328939756 + ... + 14328969858.

It is an arithmetic number, because the mean of its divisors is an integer number (18112692224064).

Almost surely, 2^{431344526555121} is an apocalyptic number.

It is an amenable number.

431344526555121 is a deficient number, since it is larger than the sum of its proper divisors (148261624614927).

431344526555121 is a wasteful number, since it uses less digits than its factorization.

431344526555121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46061.

The product of its digits is 8640000, while the sum is 51.

The spelling of 431344526555121 in words is "four hundred thirty-one trillion, three hundred forty-four billion, five hundred twenty-six million, five hundred fifty-five thousand, one hundred twenty-one".