1331414340 has 48 divisors (see below), whose sum is σ = 3890049408. Its totient is φ = 339606784.

The previous prime is 1331414339. The next prime is 1331414353. The reversal of 1331414340 is 434141331.

It is a self number, because there is not a number n which added to its sum of digits gives 1331414340.

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, 481017 + ... + 483776.

It is an arithmetic number, because the mean of its divisors is an integer number (81042696).

Almost surely, 2^1331414340 is an apocalyptic number.

1331414340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331414340 is an abundant number, since it is smaller than the sum of its proper divisors (2558635068).

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

1331414340 is a wasteful number, since it uses less digits than its factorization.

1331414340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964828 (or 964826 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1331414340 is about 36488.5508070682. The cubic root of 1331414340 is about 1100.1141314085.

Adding to 1331414340 its reverse (434141331), we get a palindrome (1765555671).

The spelling of 1331414340 in words is "one billion, three hundred thirty-one million, four hundred fourteen thousand, three hundred forty".