120235424531531 has 2 divisors, whose sum is σ = 120235424531532. Its totient is φ = 120235424531530.

The previous prime is 120235424531459. The next prime is 120235424531543. The reversal of 120235424531531 is 135135424532021.

It is a strong prime.

It is an emirp because it is prime and its reverse (135135424532021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120235424531531 is a prime.

It is a super-2 number, since 2×120235424531531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120235424531561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60117712265765 + 60117712265766.

It is an arithmetic number, because the mean of its divisors is an integer number (60117712265766).

Almost surely, 2^{120235424531531} is an apocalyptic number.

120235424531531 is a deficient number, since it is larger than the sum of its proper divisors (1).

120235424531531 is an equidigital number, since it uses as much as digits as its factorization.

120235424531531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 120235424531531 in words is "one hundred twenty trillion, two hundred thirty-five billion, four hundred twenty-four million, five hundred thirty-one thousand, five hundred thirty-one".