1213114331 has 8 divisors (see below), whose sum is σ = 1425197424. Its totient is φ = 1017997920.

The previous prime is 1213114291. The next prime is 1213114361. The reversal of 1213114331 is 1334113121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213114331 - 2¹⁸ = 1212852187 is a prime.

It is a super-2 number, since 2×1213114331² = 2943292760155155122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213114361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241516 + ... + 4241801.

It is an arithmetic number, because the mean of its divisors is an integer number (178149678).

Almost surely, 2^1213114331 is an apocalyptic number.

1213114331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1213114331 is a deficient number, since it is larger than the sum of its proper divisors (212083093).

1213114331 is a wasteful number, since it uses less digits than its factorization.

1213114331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8483341.

The product of its digits is 216, while the sum is 20.

The square root of 1213114331 is about 34829.7908549563. The cubic root of 1213114331 is about 1066.5156788998.

Adding to 1213114331 its reverse (1334113121), we get a palindrome (2547227452).

It can be divided in two parts, 12131 and 14331, that added together give a palindrome (26462).

The spelling of 1213114331 in words is "one billion, two hundred thirteen million, one hundred fourteen thousand, three hundred thirty-one".