1214455031 has 4 divisors (see below), whose sum is σ = 1214790600. Its totient is φ = 1214119464.

The previous prime is 1214454979. The next prime is 1214455049. The reversal of 1214455031 is 1305544121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1214455031 - 2¹⁴ = 1214438647 is a prime.

It is a super-2 number, since 2×1214455031² = 2949802044642421922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214455331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162296 + ... + 169613.

It is an arithmetic number, because the mean of its divisors is an integer number (303697650).

Almost surely, 2^1214455031 is an apocalyptic number.

1214455031 is a deficient number, since it is larger than the sum of its proper divisors (335569).

1214455031 is an equidigital number, since it uses as much as digits as its factorization.

1214455031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335568.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1214455031 is about 34849.0319951645. The cubic root of 1214455031 is about 1066.9084286744.

Adding to 1214455031 its reverse (1305544121), we get a palindrome (2519999152).

The spelling of 1214455031 in words is "one billion, two hundred fourteen million, four hundred fifty-five thousand, thirty-one".