3020323131311 has 4 divisors (see below), whose sum is σ = 3056712566712. Its totient is φ = 2983933695912.

The previous prime is 3020323131281. The next prime is 3020323131373. The reversal of 3020323131311 is 1131313230203.

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 3020323131311 - 2³⁴ = 3003143262127 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 (3020323137311) 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, 18194717576 + ... + 18194717741.

It is an arithmetic number, because the mean of its divisors is an integer number (764178141678).

Almost surely, 2^{3020323131311} is an apocalyptic number.

3020323131311 is a deficient number, since it is larger than the sum of its proper divisors (36389435401).

3020323131311 is an equidigital number, since it uses as much as digits as its factorization.

3020323131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36389435400.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3020323131311 its reverse (1131313230203), we get a palindrome (4151636361514).

It can be divided in two parts, 302032 and 3131311, that added together give a palindrome (3433343).

The spelling of 3020323131311 in words is "three trillion, twenty billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred eleven".