203212423031 has 8 divisors (see below), whose sum is σ = 215196405120. Its totient is φ = 191231808768.

The previous prime is 203212423003. The next prime is 203212423067. The reversal of 203212423031 is 130324212302.

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 203212423031 - 2³⁰ = 202138681207 is a prime.

It is a super-2 number, since 2×203212423031² (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 = 203212422988 and 203212423006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212423081) 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, 717191 + ... + 959576.

It is an arithmetic number, because the mean of its divisors is an integer number (26899550640).

Almost surely, 2^203212423031 is an apocalyptic number.

203212423031 is a deficient number, since it is larger than the sum of its proper divisors (11983982089).

203212423031 is a wasteful number, since it uses less digits than its factorization.

203212423031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683913.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 203212423031 its reverse (130324212302), we get a palindrome (333536635333).

The spelling of 203212423031 in words is "two hundred three billion, two hundred twelve million, four hundred twenty-three thousand, thirty-one".