2031140939 has 2 divisors, whose sum is σ = 2031140940. Its totient is φ = 2031140938.

The previous prime is 2031140933. The next prime is 2031140959. The reversal of 2031140939 is 9390411302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031140939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031140933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015570469 + 1015570470.

It is an arithmetic number, because the mean of its divisors is an integer number (1015570470).

Almost surely, 2^2031140939 is an apocalyptic number.

2031140939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031140939 is an equidigital number, since it uses as much as digits as its factorization.

2031140939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2031140939 is about 45068.1810038968. The cubic root of 2031140939 is about 1266.4265884869.

The spelling of 2031140939 in words is "two billion, thirty-one million, one hundred forty thousand, nine hundred thirty-nine".