213031038 has 16 divisors (see below), whose sum is σ = 464795136. Its totient is φ = 64554840.

The previous prime is 213031031. The next prime is 213031043. The reversal of 213031038 is 830130312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613806 + ... + 1613937.

It is an arithmetic number, because the mean of its divisors is an integer number (29049696).

Almost surely, 2^213031038 is an apocalyptic number.

213031038 is an abundant number, since it is smaller than the sum of its proper divisors (251764098).

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

213031038 is a wasteful number, since it uses less digits than its factorization.

213031038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227759.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 213031038 is about 14595.5828249508. The cubic root of 213031038 is about 597.2382686818.

The spelling of 213031038 in words is "two hundred thirteen million, thirty-one thousand, thirty-eight".