120311313 has 8 divisors (see below), whose sum is σ = 161972928. Its totient is φ = 79428624.

The previous prime is 120311273. The next prime is 120311351. The reversal of 120311313 is 313113021.

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

It is not a de Polignac number, because 120311313 - 2¹² = 120307217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120311292 and 120311301.

It is not an unprimeable number, because it can be changed into a prime (120311813) 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, 194370 + ... + 194987.

It is an arithmetic number, because the mean of its divisors is an integer number (20246616).

Almost surely, 2^120311313 is an apocalyptic number.

It is an amenable number.

120311313 is a deficient number, since it is larger than the sum of its proper divisors (41661615).

120311313 is a wasteful number, since it uses less digits than its factorization.

120311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389463.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 120311313 is about 10968.6513756250. The cubic root of 120311313 is about 493.6685820353.

Adding to 120311313 its reverse (313113021), we get a palindrome (433424334).

The spelling of 120311313 in words is "one hundred twenty million, three hundred eleven thousand, three hundred thirteen".