3100203440421 has 4 divisors (see below), whose sum is σ = 4133604587232. Its totient is φ = 2066802293612.

The previous prime is 3100203440393. The next prime is 3100203440431. The reversal of 3100203440421 is 1240443020013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3100203440421 - 2¹⁸ = 3100203178277 is a prime.

It is a super-2 number, since 2×3100203440421² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3100203440391 and 3100203440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100203440431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516700573401 + ... + 516700573406.

It is an arithmetic number, because the mean of its divisors is an integer number (1033401146808).

Almost surely, 2^{3100203440421} is an apocalyptic number.

It is an amenable number.

3100203440421 is a deficient number, since it is larger than the sum of its proper divisors (1033401146811).

3100203440421 is a wasteful number, since it uses less digits than its factorization.

3100203440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033401146810.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 3100203440421 its reverse (1240443020013), we get a palindrome (4340646460434).

The spelling of 3100203440421 in words is "three trillion, one hundred billion, two hundred three million, four hundred forty thousand, four hundred twenty-one".