1300640231 has 16 divisors (see below), whose sum is σ = 1518057600. Its totient is φ = 1101794400.

The previous prime is 1300640219. The next prime is 1300640323. The reversal of 1300640231 is 1320460031.

It is a cyclic number.

It is not a de Polignac number, because 1300640231 - 2⁶ = 1300640167 is a prime.

It is a super-2 number, since 2×1300640231² = 3383330020991466722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300630231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38261 + ... + 63758.

It is an arithmetic number, because the mean of its divisors is an integer number (94878600).

Almost surely, 2^1300640231 is an apocalyptic number.

1300640231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1300640231 is a deficient number, since it is larger than the sum of its proper divisors (217417369).

1300640231 is a wasteful number, since it uses less digits than its factorization.

1300640231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102110.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1300640231 is about 36064.3900683209. The cubic root of 1300640231 is about 1091.5720186717.

The spelling of 1300640231 in words is "one billion, three hundred million, six hundred forty thousand, two hundred thirty-one".