1214131550531 has 2 divisors, whose sum is σ = 1214131550532. Its totient is φ = 1214131550530.

The previous prime is 1214131550503. The next prime is 1214131550549. The reversal of 1214131550531 is 1350551314121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214131550531 is a prime.

It is a super-2 number, since 2×1214131550531² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1214131550581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607065775265 + 607065775266.

It is an arithmetic number, because the mean of its divisors is an integer number (607065775266).

Almost surely, 2^{1214131550531} is an apocalyptic number.

1214131550531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214131550531 is an equidigital number, since it uses as much as digits as its factorization.

1214131550531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 1214131550531 its reverse (1350551314121), we get a palindrome (2564682864652).

The spelling of 1214131550531 in words is "one trillion, two hundred fourteen billion, one hundred thirty-one million, five hundred fifty thousand, five hundred thirty-one".