1214211131 has 24 divisors (see below), whose sum is σ = 1534786560. Its totient is φ = 954147600.

The previous prime is 1214211107. The next prime is 1214211133. The reversal of 1214211131 is 1311124121.

It is not a de Polignac number, because 1214211131 - 2¹⁸ = 1213948987 is a prime.

It is a super-2 number, since 2×1214211131² = 2948617341288598322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1214211133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7826 + ... + 49896.

It is an arithmetic number, because the mean of its divisors is an integer number (63949440).

Almost surely, 2^1214211131 is an apocalyptic number.

1214211131 is a deficient number, since it is larger than the sum of its proper divisors (320575429).

1214211131 is a wasteful number, since it uses less digits than its factorization.

1214211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42135 (or 42128 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

The square root of 1214211131 is about 34845.5324396113. The cubic root of 1214211131 is about 1066.8370011943.

Adding to 1214211131 its reverse (1311124121), we get a palindrome (2525335252).

The spelling of 1214211131 in words is "one billion, two hundred fourteen million, two hundred eleven thousand, one hundred thirty-one".