120434244553431 has 14 divisors (see below), whose sum is σ = 180568764468720. Its totient is φ = 80289496368468.

The previous prime is 120434244553423. The next prime is 120434244553459. The reversal of 120434244553431 is 134355442434021.

It is a happy number.

120434244553431 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 3 + 42 + 4 + 45 + 534 + 31 = 666.

It is not a de Polignac number, because 120434244553431 - 2³ = 120434244553423 is a prime.

It is a super-2 number, since 2×120434244553431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120434244553481) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 82602361791 + ... + 82602363248.

Almost surely, 2^{120434244553431} is an apocalyptic number.

120434244553431 is a deficient number, since it is larger than the sum of its proper divisors (60134519915289).

120434244553431 is an frugal number, since it uses more digits than its factorization.

120434244553431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165204725057 (or 165204725042 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 120434244553431 its reverse (134355442434021), we get a palindrome (254789686987452).

The spelling of 120434244553431 in words is "one hundred twenty trillion, four hundred thirty-four billion, two hundred forty-four million, five hundred fifty-three thousand, four hundred thirty-one".