1199480831 has 2 divisors, whose sum is σ = 1199480832. Its totient is φ = 1199480830.

The previous prime is 1199480813. The next prime is 1199480851. The reversal of 1199480831 is 1380849911.

Together with previous prime (1199480813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199480831 - 2²² = 1195286527 is a prime.

It is a super-3 number, since 3×1199480831³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199480801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599740415 + 599740416.

It is an arithmetic number, because the mean of its divisors is an integer number (599740416).

Almost surely, 2^1199480831 is an apocalyptic number.

1199480831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199480831 is an equidigital number, since it uses as much as digits as its factorization.

1199480831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 1199480831 is about 34633.5217816496. The cubic root of 1199480831 is about 1062.5052972469.

The spelling of 1199480831 in words is "one billion, one hundred ninety-nine million, four hundred eighty thousand, eight hundred thirty-one".