213117372750 has 64 divisors (see below), whose sum is σ = 532142537472. Its totient is φ = 56809764000.

The previous prime is 213117372701. The next prime is 213117372763. The reversal of 213117372750 is 57273711312.

213117372750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×213117372750³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213117372699 and 213117372708.

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, 1977765 + ... + 2082735.

It is an arithmetic number, because the mean of its divisors is an integer number (8314727148).

Almost surely, 2^213117372750 is an apocalyptic number.

213117372750 is an abundant number, since it is smaller than the sum of its proper divisors (319025164722).

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

213117372750 is a wasteful number, since it uses less digits than its factorization.

213117372750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107698 (or 107688 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The spelling of 213117372750 in words is "two hundred thirteen billion, one hundred seventeen million, three hundred seventy-two thousand, seven hundred fifty".