1303231011030 has 48 divisors (see below), whose sum is σ = 3649046834160. Its totient is φ = 320795325504.

The previous prime is 1303231011013. The next prime is 1303231011031. The reversal of 1303231011030 is 301101323031.

It is a happy number.

It is a super-2 number, since 2×1303231011030² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1303231010994 and 1303231011012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303231011031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556935160 + ... + 556937499.

It is an arithmetic number, because the mean of its divisors is an integer number (76021809045).

Almost surely, 2^{1303231011030} is an apocalyptic number.

1303231011030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303231011030 is an abundant number, since it is smaller than the sum of its proper divisors (2345815823130).

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

1303231011030 is a wasteful number, since it uses less digits than its factorization.

1303231011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113872685 (or 1113872682 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1303231011030 its reverse (301101323031), we get a palindrome (1604332334061).

The spelling of 1303231011030 in words is "one trillion, three hundred three billion, two hundred thirty-one million, eleven thousand, thirty".