1350231320 has 32 divisors (see below), whose sum is σ = 3040344720. Its totient is φ = 539679360.

The previous prime is 1350231317. The next prime is 1350231349. The reversal of 1350231320 is 231320531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1350231292 and 1350231301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43019 + ... + 67461.

Almost surely, 2^1350231320 is an apocalyptic number.

1350231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350231320 is an abundant number, since it is smaller than the sum of its proper divisors (1690113400).

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

1350231320 is a wasteful number, since it uses less digits than its factorization.

1350231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25835 (or 25831 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1350231320 is about 36745.4938733990. The cubic root of 1350231320 is about 1105.2725711845.

Adding to 1350231320 its reverse (231320531), we get a palindrome (1581551851).

The spelling of 1350231320 in words is "one billion, three hundred fifty million, two hundred thirty-one thousand, three hundred twenty".