214531100 has 36 divisors (see below), whose sum is σ = 532038864. Its totient is φ = 73553280.

The previous prime is 214531099. The next prime is 214531127. The reversal of 214531100 is 1135412.

214531100 = 5533² + 5534² + ... + 5539².

214531100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152537 + ... + 153936.

Almost surely, 2^214531100 is an apocalyptic number.

214531100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214531100 is an abundant number, since it is smaller than the sum of its proper divisors (317507764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214531100 is a wasteful number, since it uses less digits than its factorization.

214531100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306494 (or 306487 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 214531100 is about 14646.8802138886. The cubic root of 214531100 is about 598.6368126199.

Adding to 214531100 its reverse (1135412), we get a palindrome (215666512).

The spelling of 214531100 in words is "two hundred fourteen million, five hundred thirty-one thousand, one hundred".