1020214311 has 4 divisors (see below), whose sum is σ = 1360285752. Its totient is φ = 680142872.

The previous prime is 1020214267. The next prime is 1020214313. The reversal of 1020214311 is 1134120201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020214311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020214313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170035716 + ... + 170035721.

It is an arithmetic number, because the mean of its divisors is an integer number (340071438).

Almost surely, 2^1020214311 is an apocalyptic number.

1020214311 is a deficient number, since it is larger than the sum of its proper divisors (340071441).

1020214311 is an equidigital number, since it uses as much as digits as its factorization.

1020214311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340071440.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1020214311 is about 31940.7938379747. The cubic root of 1020214311 is about 1006.6932047275.

Adding to 1020214311 its reverse (1134120201), we get a palindrome (2154334512).

The spelling of 1020214311 in words is "one billion, twenty million, two hundred fourteen thousand, three hundred eleven".