1020312302311 has 4 divisors (see below), whose sum is σ = 1044040495432. Its totient is φ = 996584109192.

The previous prime is 1020312302287. The next prime is 1020312302353. The reversal of 1020312302311 is 1132032130201.

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 1020312302311 - 2¹⁹ = 1020311778023 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 (1020312302111) 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, 11864096496 + ... + 11864096581.

It is an arithmetic number, because the mean of its divisors is an integer number (261010123858).

Almost surely, 2^{1020312302311} is an apocalyptic number.

1020312302311 is a deficient number, since it is larger than the sum of its proper divisors (23728193121).

1020312302311 is an equidigital number, since it uses as much as digits as its factorization.

1020312302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23728193120.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1020312302311 its reverse (1132032130201), we get a palindrome (2152344432512).

The spelling of 1020312302311 in words is "one trillion, twenty billion, three hundred twelve million, three hundred two thousand, three hundred eleven".