1312001330 has 16 divisors (see below), whose sum is σ = 2362898304. Its totient is φ = 524512560.

The previous prime is 1312001329. The next prime is 1312001377. The reversal of 1312001330 is 331002131.

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, 16352 + ... + 53771.

It is an arithmetic number, because the mean of its divisors is an integer number (147681144).

Almost surely, 2^1312001330 is an apocalyptic number.

1312001330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312001330 is a deficient number, since it is larger than the sum of its proper divisors (1050896974).

1312001330 is a wasteful number, since it uses less digits than its factorization.

1312001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72001.

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

The square root of 1312001330 is about 36221.5589117862. The cubic root of 1312001330 is about 1094.7411048796.

Adding to 1312001330 its reverse (331002131), we get a palindrome (1643003461).

The spelling of 1312001330 in words is "one billion, three hundred twelve million, one thousand, three hundred thirty".