203101235364040 has 128 divisors (see below), whose sum is σ = 494372942421120. Its totient is φ = 74649531340800.

The previous prime is 203101235364031. The next prime is 203101235364073. The reversal of 203101235364040 is 40463532101302.

It is a happy number.

It is a super-3 number, since 3×203101235364040³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 203101235363987 and 203101235364005.

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, 797941195 + ... + 798195685.

It is an arithmetic number, because the mean of its divisors is an integer number (3862288612665).

Almost surely, 2^{203101235364040} is an apocalyptic number.

203101235364040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203101235364040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247186471210560).

203101235364040 is an abundant number, since it is smaller than the sum of its proper divisors (291271707057080).

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

203101235364040 is a wasteful number, since it uses less digits than its factorization.

203101235364040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261503 (or 261499 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 203101235364040 its reverse (40463532101302), we get a palindrome (243564767465342).

The spelling of 203101235364040 in words is "two hundred three trillion, one hundred one billion, two hundred thirty-five million, three hundred sixty-four thousand, forty".