210031023000 has 64 divisors (see below), whose sum is σ = 655296801120. Its totient is φ = 56008272000.

The previous prime is 210031022987. The next prime is 210031023017. The reversal of 210031023000 is 320130012.

It is a happy number.

It is a super-2 number, since 2×210031023000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 35002171 + ... + 35008170.

Almost surely, 2^210031023000 is an apocalyptic number.

210031023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210031023000 is an abundant number, since it is smaller than the sum of its proper divisors (445265778120).

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

210031023000 is a wasteful number, since it uses less digits than its factorization.

210031023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70010365 (or 70010351 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 210031023000 its reverse (320130012), we get a palindrome (210351153012).

The spelling of 210031023000 in words is "two hundred ten billion, thirty-one million, twenty-three thousand".