1214023431 has 8 divisors (see below), whose sum is σ = 1713915504. Its totient is φ = 761740160.

The previous prime is 1214023427. The next prime is 1214023439. The reversal of 1214023431 is 1343204121.

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 1214023431 - 2² = 1214023427 is a prime.

It is a super-2 number, since 2×1214023431² = 2947705782034023522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214023398 and 1214023407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214023439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11902140 + ... + 11902241.

It is an arithmetic number, because the mean of its divisors is an integer number (214239438).

Almost surely, 2^1214023431 is an apocalyptic number.

1214023431 is a deficient number, since it is larger than the sum of its proper divisors (499892073).

1214023431 is a wasteful number, since it uses less digits than its factorization.

1214023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804401.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1214023431 is about 34842.8390203783. The cubic root of 1214023431 is about 1066.7820256855.

Adding to 1214023431 its reverse (1343204121), we get a palindrome (2557227552).

The spelling of 1214023431 in words is "one billion, two hundred fourteen million, twenty-three thousand, four hundred thirty-one".