213001303078 has 4 divisors (see below), whose sum is σ = 319501954620. Its totient is φ = 106500651538.

The previous prime is 213001303057. The next prime is 213001303079. The reversal of 213001303078 is 870303100312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×213001303078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001303079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53250325768 + ... + 53250325771.

It is an arithmetic number, because the mean of its divisors is an integer number (79875488655).

Almost surely, 2^213001303078 is an apocalyptic number.

213001303078 is a deficient number, since it is larger than the sum of its proper divisors (106500651542).

213001303078 is a wasteful number, since it uses less digits than its factorization.

213001303078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106500651541.

The product of its (nonzero) digits is 3024, while the sum is 28.

It can be divided in two parts, 21300 and 1303078, that added together give a triangular number (1324378 = T₁₆₂₇).

The spelling of 213001303078 in words is "two hundred thirteen billion, one million, three hundred three thousand, seventy-eight".