419781031 has 2 divisors, whose sum is σ = 419781032. Its totient is φ = 419781030.

The previous prime is 419781029. The next prime is 419781059. The reversal of 419781031 is 130187914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 419781031 - 2¹ = 419781029 is a prime.

It is a super-2 number, since 2×419781031² = 352432227974845922, which contains 22 as substring.

Together with 419781029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (419781091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209890515 + 209890516.

It is an arithmetic number, because the mean of its divisors is an integer number (209890516).

Almost surely, 2^419781031 is an apocalyptic number.

419781031 is a deficient number, since it is larger than the sum of its proper divisors (1).

419781031 is an equidigital number, since it uses as much as digits as its factorization.

419781031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 419781031 is about 20488.5585388528. The cubic root of 419781031 is about 748.7570707887.

The spelling of 419781031 in words is "four hundred nineteen million, seven hundred eighty-one thousand, thirty-one".