213030310332 has 24 divisors (see below), whose sum is σ = 568080827776. Its totient is φ = 60865802928.

The previous prime is 213030310313. The next prime is 213030310373. The reversal of 213030310332 is 233013030312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 213030310299 and 213030310308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268037478 + ... + 1268037645.

Almost surely, 2^213030310332 is an apocalyptic number.

It is an amenable number.

213030310332 is an abundant number, since it is smaller than the sum of its proper divisors (355050517444).

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

213030310332 is a wasteful number, since it uses less digits than its factorization.

213030310332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536075137 (or 2536075135 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 213030310332 its reverse (233013030312), we get a palindrome (446043340644).

The spelling of 213030310332 in words is "two hundred thirteen billion, thirty million, three hundred ten thousand, three hundred thirty-two".