1214232431 has 2 divisors, whose sum is σ = 1214232432. Its totient is φ = 1214232430.

The previous prime is 1214232421. The next prime is 1214232473. The reversal of 1214232431 is 1342324121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214232431 is a prime.

It is a super-2 number, since 2×1214232431² = 2948720792984339522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214232397 and 1214232406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214232401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607116215 + 607116216.

It is an arithmetic number, because the mean of its divisors is an integer number (607116216).

Almost surely, 2^1214232431 is an apocalyptic number.

1214232431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214232431 is an equidigital number, since it uses as much as digits as its factorization.

1214232431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 1214232431 is about 34845.8380728603. The cubic root of 1214232431 is about 1066.8432393997.

Adding to 1214232431 its reverse (1342324121), we get a palindrome (2556556552).

The spelling of 1214232431 in words is "one billion, two hundred fourteen million, two hundred thirty-two thousand, four hundred thirty-one".