30120132431 has 2 divisors, whose sum is σ = 30120132432. Its totient is φ = 30120132430.

The previous prime is 30120132403. The next prime is 30120132467. The reversal of 30120132431 is 13423102103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30120132431 - 2¹⁰ = 30120131407 is a prime.

It is a super-2 number, since 2×30120132431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120132481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060066215 + 15060066216.

It is an arithmetic number, because the mean of its divisors is an integer number (15060066216).

Almost surely, 2^30120132431 is an apocalyptic number.

30120132431 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120132431 is an equidigital number, since it uses as much as digits as its factorization.

30120132431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30120132431 its reverse (13423102103), we get a palindrome (43543234534).

The spelling of 30120132431 in words is "thirty billion, one hundred twenty million, one hundred thirty-two thousand, four hundred thirty-one".