1202032313 has 4 divisors (see below), whose sum is σ = 1203993828. Its totient is φ = 1200070800.

The previous prime is 1202032259. The next prime is 1202032369. The reversal of 1202032313 is 3132302021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3132302021 = 29473 ⋅106277.

It can be written as a sum of positive squares in 2 ways, for example, as 50651689 + 1151380624 = 7117^2 + 33932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202032313 - 2⁸ = 1202032057 is a prime.

It is a super-2 number, since 2×1202032313² = 2889763362992259938, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202032291 and 1202032300.

It is not an unprimeable number, because it can be changed into a prime (1202032373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979838 + ... + 981063.

It is an arithmetic number, because the mean of its divisors is an integer number (300998457).

Almost surely, 2^1202032313 is an apocalyptic number.

It is an amenable number.

1202032313 is a deficient number, since it is larger than the sum of its proper divisors (1961515).

1202032313 is an equidigital number, since it uses as much as digits as its factorization.

1202032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961514.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1202032313 is about 34670.3376533890. The cubic root of 1202032313 is about 1063.2581349542.

Adding to 1202032313 its reverse (3132302021), we get a palindrome (4334334334).

The spelling of 1202032313 in words is "one billion, two hundred two million, thirty-two thousand, three hundred thirteen".