211466420653031 has 8 divisors (see below), whose sum is σ = 218036032520064. Its totient is φ = 204971890064760.

The previous prime is 211466420652979. The next prime is 211466420653139. The reversal of 211466420653031 is 130356024664112.

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

It is a cyclic number.

It is not a de Polignac number, because 211466420653031 - 2¹⁸ = 211466420390887 is a prime.

It is a super-2 number, since 2×211466420653031² (a number of 29 digits) 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 (211466420653531) 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, 18770313971 + ... + 18770325236.

It is an arithmetic number, because the mean of its divisors is an integer number (27254504065008).

Almost surely, 2^{211466420653031} is an apocalyptic number.

211466420653031 is a deficient number, since it is larger than the sum of its proper divisors (6569611867033).

211466420653031 is a wasteful number, since it uses less digits than its factorization.

211466420653031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37540639381.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 211466420653031 in words is "two hundred eleven trillion, four hundred sixty-six billion, four hundred twenty million, six hundred fifty-three thousand, thirty-one".