261334224314 has 4 divisors (see below), whose sum is σ = 392001336474. Its totient is φ = 130667112156.

The previous prime is 261334224299. The next prime is 261334224377. The reversal of 261334224314 is 413422433162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413422433162 = 2 ⋅206711216581.

It can be written as a sum of positive squares in only one way, i.e., 160348189225 + 100986035089 = 400435^2 + 317783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65333556077 + ... + 65333556080.

Almost surely, 2^261334224314 is an apocalyptic number.

261334224314 is a deficient number, since it is larger than the sum of its proper divisors (130667112160).

261334224314 is a wasteful number, since it uses less digits than its factorization.

261334224314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130667112159.

The product of its digits is 82944, while the sum is 35.

Adding to 261334224314 its reverse (413422433162), we get a palindrome (674756657476).

The spelling of 261334224314 in words is "two hundred sixty-one billion, three hundred thirty-four million, two hundred twenty-four thousand, three hundred fourteen".