215142235301 has 32 divisors (see below), whose sum is σ = 255748147200. Its totient is φ = 177075440640.

The previous prime is 215142235261. The next prime is 215142235303. The reversal of 215142235301 is 103532241512.

It is not a de Polignac number, because 215142235301 - 2¹⁴ = 215142218917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215142235303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67041785 + ... + 67044993.

It is an arithmetic number, because the mean of its divisors is an integer number (7992129600).

Almost surely, 2^215142235301 is an apocalyptic number.

It is an amenable number.

215142235301 is a deficient number, since it is larger than the sum of its proper divisors (40605911899).

215142235301 is a wasteful number, since it uses less digits than its factorization.

215142235301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 215142235301 its reverse (103532241512), we get a palindrome (318674476813).

The spelling of 215142235301 in words is "two hundred fifteen billion, one hundred forty-two million, two hundred thirty-five thousand, three hundred one".