1214211031 has 4 divisors (see below), whose sum is σ = 1324593864. Its totient is φ = 1103828200.

The previous prime is 1214211029. The next prime is 1214211041. The reversal of 1214211031 is 1301124121.

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 1214211031 - 2¹ = 1214211029 is a prime.

It is a super-2 number, since 2×1214211031² = 2948616855604165922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1214210996 and 1214211014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214211041) 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, 55191400 + ... + 55191421.

It is an arithmetic number, because the mean of its divisors is an integer number (331148466).

Almost surely, 2^1214211031 is an apocalyptic number.

1214211031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1214211031 is a deficient number, since it is larger than the sum of its proper divisors (110382833).

1214211031 is a wasteful number, since it uses less digits than its factorization.

1214211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110382832.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1214211031 is about 34845.5310047070. The cubic root of 1214211031 is about 1066.8369719068.

Adding to 1214211031 its reverse (1301124121), we get a palindrome (2515335152).

The spelling of 1214211031 in words is "one billion, two hundred fourteen million, two hundred eleven thousand, thirty-one".