113213203144 has 8 divisors (see below), whose sum is σ = 212274755910. Its totient is φ = 56606601568.

The previous prime is 113213203121. The next prime is 113213203171. The reversal of 113213203144 is 441302312311.

It can be written as a sum of positive squares in only one way, i.e., 89543380644 + 23669822500 = 299238^2 + 153850^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×113213203144² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075825189 + ... + 7075825204.

Almost surely, 2^113213203144 is an apocalyptic number.

It is an amenable number.

113213203144 is a deficient number, since it is larger than the sum of its proper divisors (99061552766).

113213203144 is a wasteful number, since it uses less digits than its factorization.

113213203144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151650399 (or 14151650395 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113213203144 its reverse (441302312311), we get a palindrome (554515515455).

The spelling of 113213203144 in words is "one hundred thirteen billion, two hundred thirteen million, two hundred three thousand, one hundred forty-four".