212103201031 has 8 divisors (see below), whose sum is σ = 215706252240. Its totient is φ = 208500419328.

The previous prime is 212103201019. The next prime is 212103201097. The reversal of 212103201031 is 130102301212.

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 212103201031 - 2¹⁹ = 212102676743 is a prime.

It is a super-2 number, since 2×212103201031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212103200996 and 212103201014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103201131) 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, 2114935 + ... + 2212951.

It is an arithmetic number, because the mean of its divisors is an integer number (26963281530).

Almost surely, 2^212103201031 is an apocalyptic number.

212103201031 is a deficient number, since it is larger than the sum of its proper divisors (3603051209).

212103201031 is an equidigital number, since it uses as much as digits as its factorization.

212103201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134753.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212103201031 its reverse (130102301212), we get a palindrome (342205502243).

The spelling of 212103201031 in words is "two hundred twelve billion, one hundred three million, two hundred one thousand, thirty-one".