3100011230021 has 4 divisors (see below), whose sum is σ = 3100173732000. Its totient is φ = 3099848728044.

The previous prime is 3100011229993. The next prime is 3100011230023. The reversal of 3100011230021 is 1200321100013.

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 3100011230021 - 2⁶ = 3100011229957 is a prime.

It is a super-2 number, since 2×3100011230021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3100011229978 and 3100011230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100011230023) 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, 81222371 + ... + 81260528.

It is an arithmetic number, because the mean of its divisors is an integer number (775043433000).

Almost surely, 2^{3100011230021} is an apocalyptic number.

It is an amenable number.

3100011230021 is a deficient number, since it is larger than the sum of its proper divisors (162501979).

3100011230021 is a wasteful number, since it uses less digits than its factorization.

3100011230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162501978.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 3100011230021 its reverse (1200321100013), we get a palindrome (4300332330034).

The spelling of 3100011230021 in words is "three trillion, one hundred billion, eleven million, two hundred thirty thousand, twenty-one".