1711316021 has 16 divisors (see below), whose sum is σ = 1785355968. Its totient is φ = 1639008000.

The previous prime is 1711316003. The next prime is 1711316027. The reversal of 1711316021 is 1206131171.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1711316021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1711316027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051010 + ... + 1052636.

It is an arithmetic number, because the mean of its divisors is an integer number (111584748).

Almost surely, 2^1711316021 is an apocalyptic number.

It is an amenable number.

1711316021 is a deficient number, since it is larger than the sum of its proper divisors (74039947).

1711316021 is a wasteful number, since it uses less digits than its factorization.

1711316021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1711316021 is about 41368.0555622330. The cubic root of 1711316021 is about 1196.1254713109.

Adding to 1711316021 its reverse (1206131171), we get a palindrome (2917447192).

The spelling of 1711316021 in words is "one billion, seven hundred eleven million, three hundred sixteen thousand, twenty-one".