1331211030 has 16 divisors (see below), whose sum is σ = 3194906544. Its totient is φ = 354989600.

The previous prime is 1331211023. The next prime is 1331211031. The reversal of 1331211030 is 301121331.

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 (1331211031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22186821 + ... + 22186880.

It is an arithmetic number, because the mean of its divisors is an integer number (199681659).

Almost surely, 2^1331211030 is an apocalyptic number.

1331211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331211030 is an abundant number, since it is smaller than the sum of its proper divisors (1863695514).

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

1331211030 is a wasteful number, since it uses less digits than its factorization.

1331211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44373711.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1331211030 is about 36485.7647583273. The cubic root of 1331211030 is about 1100.0581319141.

Adding to 1331211030 its reverse (301121331), we get a palindrome (1632332361).

It can be divided in two parts, 13312 and 11030, that added together give a palindrome (24342).

The spelling of 1331211030 in words is "one billion, three hundred thirty-one million, two hundred eleven thousand, thirty".