212931003 has 8 divisors (see below), whose sum is σ = 284112400. Its totient is φ = 141851808.

The previous prime is 212930981. The next prime is 212931007. The reversal of 212931003 is 300139212.

It is a happy number.

212931003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212931003 - 2¹⁴ = 212914619 is a prime.

It is a super-2 number, since 2×212931003² = 90679224077172018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212931007) 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, 20548 + ... + 29121.

It is an arithmetic number, because the mean of its divisors is an integer number (35514050).

Almost surely, 2^212931003 is an apocalyptic number.

212931003 is a deficient number, since it is larger than the sum of its proper divisors (71181397).

212931003 is a wasteful number, since it uses less digits than its factorization.

212931003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51101.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 212931003 is about 14592.1555295988. The cubic root of 212931003 is about 597.1447704373.

The spelling of 212931003 in words is "two hundred twelve million, nine hundred thirty-one thousand, three".