120142020331 has 2 divisors, whose sum is σ = 120142020332. Its totient is φ = 120142020330.

The previous prime is 120142020319. The next prime is 120142020377. The reversal of 120142020331 is 133020241021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (133020241021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120142020331 - 2¹⁹ = 120141496043 is a prime.

It is a super-2 number, since 2×120142020331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120142020299 and 120142020308.

It is not a weakly prime, because it can be changed into another prime (120142020391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071010165 + 60071010166.

It is an arithmetic number, because the mean of its divisors is an integer number (60071010166).

Almost surely, 2^120142020331 is an apocalyptic number.

120142020331 is a deficient number, since it is larger than the sum of its proper divisors (1).

120142020331 is an equidigital number, since it uses as much as digits as its factorization.

120142020331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120142020331 its reverse (133020241021), we get a palindrome (253162261352).

The spelling of 120142020331 in words is "one hundred twenty billion, one hundred forty-two million, twenty thousand, three hundred thirty-one".