313032030 has 64 divisors (see below), whose sum is σ = 801757440. Its totient is φ = 77988096.

The previous prime is 313032029. The next prime is 313032037. The reversal of 313032030 is 30230313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313032037) 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, 37849 + ... + 45371.

It is an arithmetic number, because the mean of its divisors is an integer number (12527460).

Almost surely, 2^313032030 is an apocalyptic number.

313032030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 313032030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400878720).

313032030 is an abundant number, since it is smaller than the sum of its proper divisors (488725410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313032030 is a wasteful number, since it uses less digits than its factorization.

313032030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 313032030 is about 17692.7112111174. The cubic root of 313032030 is about 678.9892929020.

Adding to 313032030 its reverse (30230313), we get a palindrome (343262343).

It can be divided in two parts, 31303 and 2030, that added together give a palindrome (33333).

The spelling of 313032030 in words is "three hundred thirteen million, thirty-two thousand, thirty".