2402020311 has 4 divisors (see below), whose sum is σ = 3202693752. Its totient is φ = 1601346872.

The previous prime is 2402020307. The next prime is 2402020319. The reversal of 2402020311 is 1130202042.

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 2402020311 - 2² = 2402020307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402020319) 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, 400336716 + ... + 400336721.

It is an arithmetic number, because the mean of its divisors is an integer number (800673438).

Almost surely, 2^2402020311 is an apocalyptic number.

2402020311 is a deficient number, since it is larger than the sum of its proper divisors (800673441).

2402020311 is an equidigital number, since it uses as much as digits as its factorization.

2402020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800673440.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2402020311 is about 49010.4102308887. The cubic root of 2402020311 is about 1339.2414788951.

Adding to 2402020311 its reverse (1130202042), we get a palindrome (3532222353).

The spelling of 2402020311 in words is "two billion, four hundred two million, twenty thousand, three hundred eleven".