201031331000 has 64 divisors (see below), whose sum is σ = 475699068000. Its totient is φ = 79508985600.

The previous prime is 201031330957. The next prime is 201031331023. The reversal of 201031331000 is 133130102.

It is a super-2 number, since 2×201031331000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040390 + ... + 1218389.

Almost surely, 2^201031331000 is an apocalyptic number.

201031331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201031331000 is an abundant number, since it is smaller than the sum of its proper divisors (274667737000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201031331000 is a wasteful number, since it uses less digits than its factorization.

201031331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258889 (or 2258875 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 201031331000 its reverse (133130102), we get a palindrome (201164461102).

The spelling of 201031331000 in words is "two hundred one billion, thirty-one million, three hundred thirty-one thousand".