1313031030 has 32 divisors (see below), whose sum is σ = 3152771424. Its totient is φ = 349975296.

The previous prime is 1313031019. The next prime is 1313031037. The reversal of 1313031030 is 301303131.

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 (1313031037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62104 + ... + 80516.

It is an arithmetic number, because the mean of its divisors is an integer number (98524107).

Almost surely, 2^1313031030 is an apocalyptic number.

1313031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313031030 is an abundant number, since it is smaller than the sum of its proper divisors (1839740394).

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

1313031030 is a wasteful number, since it uses less digits than its factorization.

1313031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1313031030 is about 36235.7700345943. The cubic root of 1313031030 is about 1095.0274257637.

Adding to 1313031030 its reverse (301303131), we get a palindrome (1614334161).

The spelling of 1313031030 in words is "one billion, three hundred thirteen million, thirty-one thousand, thirty".