1341279831 has 8 divisors (see below), whose sum is σ = 1788542704. Its totient is φ = 894101760.

The previous prime is 1341279817. The next prime is 1341279839. The reversal of 1341279831 is 1389721431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1341279831 - 2⁷ = 1341279703 is a prime.

It is a super-2 number, since 2×1341279831² = 3598063170094777122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1341279831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341279839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47685 + ... + 70401.

It is an arithmetic number, because the mean of its divisors is an integer number (223567838).

Almost surely, 2^1341279831 is an apocalyptic number.

1341279831 is a deficient number, since it is larger than the sum of its proper divisors (447262873).

1341279831 is a wasteful number, since it uses less digits than its factorization.

1341279831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42401.

The product of its digits is 36288, while the sum is 39.

The square root of 1341279831 is about 36623.4874226909. The cubic root of 1341279831 is about 1102.8246498427.

Subtracting 1341279831 from its reverse (1389721431), we obtain a square (48441600 = 6960²).

The spelling of 1341279831 in words is "one billion, three hundred forty-one million, two hundred seventy-nine thousand, eight hundred thirty-one".