2121300003031 has 8 divisors (see below), whose sum is σ = 2315760370704. Its totient is φ = 1927108787520.

The previous prime is 2121300003029. The next prime is 2121300003037. The reversal of 2121300003031 is 1303000031212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121300003031 - 2¹ = 2121300003029 is a prime.

It is a super-2 number, since 2×2121300003031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121300002996 and 2121300003014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121300003037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67271556 + ... + 67303081.

It is an arithmetic number, because the mean of its divisors is an integer number (289470046338).

Almost surely, 2^{2121300003031} is an apocalyptic number.

2121300003031 is a deficient number, since it is larger than the sum of its proper divisors (194460367673).

2121300003031 is a wasteful number, since it uses less digits than its factorization.

2121300003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134576081.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2121300003031 its reverse (1303000031212), we get a palindrome (3424300034243).

The spelling of 2121300003031 in words is "two trillion, one hundred twenty-one billion, three hundred million, three thousand, thirty-one".