3100020020302 has 4 divisors (see below), whose sum is σ = 4650030030456. Its totient is φ = 1550010010150.

The previous prime is 3100020020299. The next prime is 3100020020323. The reversal of 3100020020302 is 2030200200013.

It is a happy number.

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

It is a super-2 number, since 2×3100020020302² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775005005074 + ... + 775005005077.

It is an arithmetic number, because the mean of its divisors is an integer number (1162507507614).

Almost surely, 2^{3100020020302} is an apocalyptic number.

3100020020302 is a deficient number, since it is larger than the sum of its proper divisors (1550010010154).

3100020020302 is a wasteful number, since it uses less digits than its factorization.

3100020020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550010010153.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 3100020020302 its reverse (2030200200013), we get a palindrome (5130220220315).

The spelling of 3100020020302 in words is "three trillion, one hundred billion, twenty million, twenty thousand, three hundred two".