1000020210311 has 4 divisors (see below), whose sum is σ = 1003911339792. Its totient is φ = 996129080832.

The previous prime is 1000020210269. The next prime is 1000020210313. The reversal of 1000020210311 is 1130120200001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000020210311 - 2⁶ = 1000020210247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000020210292 and 1000020210301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000020210313) 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, 1945564355 + ... + 1945564868.

It is an arithmetic number, because the mean of its divisors is an integer number (250977834948).

Almost surely, 2^{1000020210311} is an apocalyptic number.

1000020210311 is a deficient number, since it is larger than the sum of its proper divisors (3891129481).

1000020210311 is an equidigital number, since it uses as much as digits as its factorization.

1000020210311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891129480.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1000020210311 its reverse (1130120200001), we get a palindrome (2130140410312).

The spelling of 1000020210311 in words is "one trillion, twenty million, two hundred ten thousand, three hundred eleven".