1311032030 has 32 divisors (see below), whose sum is σ = 2942161920. Its totient is φ = 408633120.

The previous prime is 1311031951. The next prime is 1311032089. The reversal of 1311032030 is 302301131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1311031996 and 1311032014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850550 + ... + 852089.

It is an arithmetic number, because the mean of its divisors is an integer number (91942560).

Almost surely, 2^1311032030 is an apocalyptic number.

1311032030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311032030 is an abundant number, since it is smaller than the sum of its proper divisors (1631129890).

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

1311032030 is a wasteful number, since it uses less digits than its factorization.

1311032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702664.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1311032030 is about 36208.1762865793. The cubic root of 1311032030 is about 1094.4714420482.

Adding to 1311032030 its reverse (302301131), we get a palindrome (1613333161).

The spelling of 1311032030 in words is "one billion, three hundred eleven million, thirty-two thousand, thirty".