1200302131 has 16 divisors (see below), whose sum is σ = 1388160000. Its totient is φ = 1016614368.

The previous prime is 1200302111. The next prime is 1200302161. The reversal of 1200302131 is 1312030021.

It is not a de Polignac number, because 1200302131 - 2²¹ = 1198204979 is a prime.

It is a super-2 number, since 2×1200302131² = 2881450411366282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200302111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204666 + ... + 210448.

It is an arithmetic number, because the mean of its divisors is an integer number (86760000).

Almost surely, 2^1200302131 is an apocalyptic number.

1200302131 is a deficient number, since it is larger than the sum of its proper divisors (187857869).

1200302131 is a wasteful number, since it uses less digits than its factorization.

1200302131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1200302131 is about 34645.3767622752. The cubic root of 1200302131 is about 1062.7477456145.

Adding to 1200302131 its reverse (1312030021), we get a palindrome (2512332152).

The spelling of 1200302131 in words is "one billion, two hundred million, three hundred two thousand, one hundred thirty-one".