2131212013430 has 8 divisors (see below), whose sum is σ = 3836181624192. Its totient is φ = 852484805368.

The previous prime is 2131212013429. The next prime is 2131212013433. The reversal of 2131212013430 is 343102121312.

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

It is a junction number, because it is equal to n+sod(n) for n = 2131212013396 and 2131212013405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131212013433) 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, 106560600662 + ... + 106560600681.

It is an arithmetic number, because the mean of its divisors is an integer number (479522703024).

Almost surely, 2^{2131212013430} is an apocalyptic number.

2131212013430 is a deficient number, since it is larger than the sum of its proper divisors (1704969610762).

2131212013430 is a wasteful number, since it uses less digits than its factorization.

2131212013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213121201350.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2131212013430 its reverse (343102121312), we get a palindrome (2474314134742).

The spelling of 2131212013430 in words is "two trillion, one hundred thirty-one billion, two hundred twelve million, thirteen thousand, four hundred thirty".