2134021311331 has 16 divisors (see below), whose sum is σ = 2626642335744. Its totient is φ = 1688357057184.

The previous prime is 2134021311329. The next prime is 2134021311347. The reversal of 2134021311331 is 1331131204312.

It is not a de Polignac number, because 2134021311331 - 2¹ = 2134021311329 is a prime.

It is a super-2 number, since 2×2134021311331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2134021311296 and 2134021311305.

It is not an unprimeable number, because it can be changed into a prime (2134021311031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884406 + ... + 2247268.

It is an arithmetic number, because the mean of its divisors is an integer number (164165145984).

Almost surely, 2^{2134021311331} is an apocalyptic number.

2134021311331 is a deficient number, since it is larger than the sum of its proper divisors (492621024413).

2134021311331 is a wasteful number, since it uses less digits than its factorization.

2134021311331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380090.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2134021311331 its reverse (1331131204312), we get a palindrome (3465152515643).

The spelling of 2134021311331 in words is "two trillion, one hundred thirty-four billion, twenty-one million, three hundred eleven thousand, three hundred thirty-one".