312202113 has 8 divisors (see below), whose sum is σ = 416801568. Its totient is φ = 207868704.

The previous prime is 312202103. The next prime is 312202117. The reversal of 312202113 is 311202213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312202113 - 2⁴ = 312202097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312202092 and 312202101.

It is not an unprimeable number, because it can be changed into a prime (312202117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63756 + ... + 68477.

It is an arithmetic number, because the mean of its divisors is an integer number (52100196).

Almost surely, 2^312202113 is an apocalyptic number.

It is an amenable number.

312202113 is a deficient number, since it is larger than the sum of its proper divisors (104599455).

312202113 is a wasteful number, since it uses less digits than its factorization.

312202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133023.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312202113 is about 17669.2420041155. The cubic root of 312202113 is about 678.3887116733.

Adding to 312202113 its reverse (311202213), we get a palindrome (623404326).

It can be divided in two parts, 31220 and 2113, that added together give a palindrome (33333).

The spelling of 312202113 in words is "three hundred twelve million, two hundred two thousand, one hundred thirteen".