2031430039 has 2 divisors, whose sum is σ = 2031430040. Its totient is φ = 2031430038.

The previous prime is 2031430033. The next prime is 2031430067. The reversal of 2031430039 is 9300341302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031430039 - 2¹¹ = 2031427991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031429995 and 2031430022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031430033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015715019 + 1015715020.

It is an arithmetic number, because the mean of its divisors is an integer number (1015715020).

Almost surely, 2^2031430039 is an apocalyptic number.

2031430039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031430039 is an equidigital number, since it uses as much as digits as its factorization.

2031430039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 2031430039 is about 45071.3882524157. The cubic root of 2031430039 is about 1266.4866707377.

The spelling of 2031430039 in words is "two billion, thirty-one million, four hundred thirty thousand, thirty-nine".