213230100142 has 4 divisors (see below), whose sum is σ = 319845150216. Its totient is φ = 106615050070.

The previous prime is 213230100121. The next prime is 213230100179. The reversal of 213230100142 is 241001032312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53307525034 + ... + 53307525037.

It is an arithmetic number, because the mean of its divisors is an integer number (79961287554).

Almost surely, 2^213230100142 is an apocalyptic number.

213230100142 is a deficient number, since it is larger than the sum of its proper divisors (106615050074).

213230100142 is a wasteful number, since it uses less digits than its factorization.

213230100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106615050073.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213230100142 its reverse (241001032312), we get a palindrome (454231132454).

The spelling of 213230100142 in words is "two hundred thirteen billion, two hundred thirty million, one hundred thousand, one hundred forty-two".