203112311343000 has 128 divisors (see below), whose sum is σ = 634331097167040. Its totient is φ = 54110232960000.

The previous prime is 203112311342977. The next prime is 203112311343059. The reversal of 203112311343000 is 343113211302.

203112311343000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203112311343000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30092781 + ... + 36218780.

Almost surely, 2^{203112311343000} is an apocalyptic number.

203112311343000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203112311343000 is an abundant number, since it is smaller than the sum of its proper divisors (431218785824040).

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

203112311343000 is a wasteful number, since it uses less digits than its factorization.

203112311343000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66312606 (or 66312592 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 203112311343000 its reverse (343113211302), we get a palindrome (203455424554302).

The spelling of 203112311343000 in words is "two hundred three trillion, one hundred twelve billion, three hundred eleven million, three hundred forty-three thousand".