201000031312 has 40 divisors (see below), whose sum is σ = 391064423400. Its totient is φ = 100080814080.

The previous prime is 201000031291. The next prime is 201000031333. The reversal of 201000031312 is 213130000102.

It is an interprime number because it is at equal distance from previous prime (201000031291) and next prime (201000031333).

It can be written as a sum of positive squares in 4 ways, for example, as 53525598736 + 147474432576 = 231356^2 + 384024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201000031292 and 201000031301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234262 + ... + 5272522.

It is an arithmetic number, because the mean of its divisors is an integer number (9776610585).

Almost surely, 2^201000031312 is an apocalyptic number.

It is an amenable number.

201000031312 is a deficient number, since it is larger than the sum of its proper divisors (190064392088).

201000031312 is a wasteful number, since it uses less digits than its factorization.

201000031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39631 (or 39625 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 201000031312 its reverse (213130000102), we get a palindrome (414130031414).

The spelling of 201000031312 in words is "two hundred one billion, thirty-one thousand, three hundred twelve".