361951313 has 4 divisors (see below), whose sum is σ = 361990308. Its totient is φ = 361912320.

The previous prime is 361951309. The next prime is 361951351. The reversal of 361951313 is 313159163.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 123032464 + 238918849 = 11092^2 + 15457^2 .

It is a cyclic number.

It is not a de Polignac number, because 361951313 - 2² = 361951309 is a prime.

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 361951313.

It is not an unprimeable number, because it can be changed into a prime (361951013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353 + ... + 27113.

It is an arithmetic number, because the mean of its divisors is an integer number (90497577).

Almost surely, 2^361951313 is an apocalyptic number.

It is an amenable number.

361951313 is a deficient number, since it is larger than the sum of its proper divisors (38995).

361951313 is a wasteful number, since it uses less digits than its factorization.

361951313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38994.

The product of its digits is 7290, while the sum is 32.

The square root of 361951313 is about 19025.0180814632. The cubic root of 361951313 is about 712.6616441706.

The spelling of 361951313 in words is "three hundred sixty-one million, nine hundred fifty-one thousand, three hundred thirteen".