1202113331 has 4 divisors (see below), whose sum is σ = 1254379152. Its totient is φ = 1149847512.

The previous prime is 1202113321. The next prime is 1202113349. The reversal of 1202113331 is 1333112021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1202113331 - 2⁶ = 1202113267 is a prime.

It is a super-2 number, since 2×1202113331² = 2890152921135831122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1202113301) 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, 26132876 + ... + 26132921.

It is an arithmetic number, because the mean of its divisors is an integer number (313594788).

Almost surely, 2^1202113331 is an apocalyptic number.

1202113331 is a deficient number, since it is larger than the sum of its proper divisors (52265821).

1202113331 is an equidigital number, since it uses as much as digits as its factorization.

1202113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52265820.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1202113331 is about 34671.5060388210. The cubic root of 1202113331 is about 1063.2820225850.

Adding to 1202113331 its reverse (1333112021), we get a palindrome (2535225352).

It can be divided in two parts, 12021 and 13331, that added together give a palindrome (25352).

The spelling of 1202113331 in words is "one billion, two hundred two million, one hundred thirteen thousand, three hundred thirty-one".