2231366349 has 4 divisors (see below), whose sum is σ = 2975155136. Its totient is φ = 1487577564.

The previous prime is 2231366339. The next prime is 2231366377. The reversal of 2231366349 is 9436631322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2231366349 - 2¹² = 2231362253 is a prime.

It is a super-3 number, since 3×2231366349³ (a number of 29 digits) contains 333 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 (2231366339) 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, 371894389 + ... + 371894394.

It is an arithmetic number, because the mean of its divisors is an integer number (743788784).

Almost surely, 2^2231366349 is an apocalyptic number.

It is an amenable number.

2231366349 is a deficient number, since it is larger than the sum of its proper divisors (743788787).

2231366349 is an equidigital number, since it uses as much as digits as its factorization.

2231366349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743788786.

The product of its digits is 139968, while the sum is 39.

The square root of 2231366349 is about 47237.3406215888. The cubic root of 2231366349 is about 1306.7433332240.

The spelling of 2231366349 in words is "two billion, two hundred thirty-one million, three hundred sixty-six thousand, three hundred forty-nine".