2121341210031 has 4 divisors (see below), whose sum is σ = 2828454946712. Its totient is φ = 1414227473352.

The previous prime is 2121341209993. The next prime is 2121341210041. The reversal of 2121341210031 is 1300121431212.

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

It is not a de Polignac number, because 2121341210031 - 2⁷ = 2121341209903 is a prime.

It is a super-2 number, since 2×2121341210031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121341210041) 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, 353556868336 + ... + 353556868341.

It is an arithmetic number, because the mean of its divisors is an integer number (707113736678).

Almost surely, 2^{2121341210031} is an apocalyptic number.

2121341210031 is a deficient number, since it is larger than the sum of its proper divisors (707113736681).

2121341210031 is an equidigital number, since it uses as much as digits as its factorization.

2121341210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707113736680.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2121341210031 its reverse (1300121431212), we get a palindrome (3421462641243).

The spelling of 2121341210031 in words is "two trillion, one hundred twenty-one billion, three hundred forty-one million, two hundred ten thousand, thirty-one".