2131264034466 has 32 divisors (see below), whose sum is σ = 4875821957760. Its totient is φ = 608387417856.

The previous prime is 2131264034447. The next prime is 2131264034467. The reversal of 2131264034466 is 6644304621312.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2131264034467) 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, 22667671 + ... + 22761498.

It is an arithmetic number, because the mean of its divisors is an integer number (152369436180).

Almost surely, 2^{2131264034466} is an apocalyptic number.

2131264034466 is an abundant number, since it is smaller than the sum of its proper divisors (2744557923294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131264034466 is a wasteful number, since it uses less digits than its factorization.

2131264034466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45430298.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 2131264034466 its reverse (6644304621312), we get a palindrome (8775568655778).

The spelling of 2131264034466 in words is "two trillion, one hundred thirty-one billion, two hundred sixty-four million, thirty-four thousand, four hundred sixty-six".