120144332031 has 4 divisors (see below), whose sum is σ = 160192442712. Its totient is φ = 80096221352.

The previous prime is 120144331997. The next prime is 120144332057. The reversal of 120144332031 is 130233441021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130233441021 = 3 ⋅43411147007.

It is a cyclic number.

It is not a de Polignac number, because 120144332031 - 2⁹ = 120144331519 is a prime.

It is a super-2 number, since 2×120144332031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120144331992 and 120144332010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144332071) 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, 20024055336 + ... + 20024055341.

It is an arithmetic number, because the mean of its divisors is an integer number (40048110678).

Almost surely, 2^120144332031 is an apocalyptic number.

120144332031 is a deficient number, since it is larger than the sum of its proper divisors (40048110681).

120144332031 is an equidigital number, since it uses as much as digits as its factorization.

120144332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40048110680.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 120144332031 its reverse (130233441021), we get a palindrome (250377773052).

The spelling of 120144332031 in words is "one hundred twenty billion, one hundred forty-four million, three hundred thirty-two thousand, thirty-one".