1331454530 has 16 divisors (see below), whose sum is σ = 2738992320. Its totient is φ = 456498672.

The previous prime is 1331454517. The next prime is 1331454547. The reversal of 1331454530 is 354541331.

It is a junction number, because it is equal to n+sod(n) for n = 1331454493 and 1331454502.

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, 9510320 + ... + 9510459.

It is an arithmetic number, because the mean of its divisors is an integer number (171187020).

Almost surely, 2^1331454530 is an apocalyptic number.

1331454530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331454530 is an abundant number, since it is smaller than the sum of its proper divisors (1407537790).

1331454530 is a wasteful number, since it uses less digits than its factorization.

1331454530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020793.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 1331454530 is about 36489.1015236056. The cubic root of 1331454530 is about 1100.1252006253.

Adding to 1331454530 its reverse (354541331), we get a palindrome (1685995861).

The spelling of 1331454530 in words is "one billion, three hundred thirty-one million, four hundred fifty-four thousand, five hundred thirty".