201012000031 has 4 divisors (see below), whose sum is σ = 211591579000. Its totient is φ = 190432421064.

The previous prime is 201012000019. The next prime is 201012000037. The reversal of 201012000031 is 130000210102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201012000031 - 2²¹ = 201009902879 is a prime.

It is a super-2 number, since 2×201012000031² (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 = 201011999981 and 201012000017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012000037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289789456 + ... + 5289789493.

It is an arithmetic number, because the mean of its divisors is an integer number (52897894750).

Almost surely, 2^201012000031 is an apocalyptic number.

201012000031 is a deficient number, since it is larger than the sum of its proper divisors (10579578969).

201012000031 is a wasteful number, since it uses less digits than its factorization.

201012000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579578968.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 201012000031 its reverse (130000210102), we get a palindrome (331012210133).

The spelling of 201012000031 in words is "two hundred one billion, twelve million, thirty-one", and thus it is an aban number.