31020424411 has 2 divisors, whose sum is σ = 31020424412. Its totient is φ = 31020424410.

The previous prime is 31020424373. The next prime is 31020424429. The reversal of 31020424411 is 11442402013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31020424411 is a prime.

It is not a weakly prime, because it can be changed into another prime (31020424441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15510212205 + 15510212206.

It is an arithmetic number, because the mean of its divisors is an integer number (15510212206).

Almost surely, 2^31020424411 is an apocalyptic number.

31020424411 is a deficient number, since it is larger than the sum of its proper divisors (1).

31020424411 is an equidigital number, since it uses as much as digits as its factorization.

31020424411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31020424411 its reverse (11442402013), we get a palindrome (42462826424).

The spelling of 31020424411 in words is "thirty-one billion, twenty million, four hundred twenty-four thousand, four hundred eleven".