312203301131 has 2 divisors, whose sum is σ = 312203301132. Its totient is φ = 312203301130.

The previous prime is 312203301097. The next prime is 312203301187. The reversal of 312203301131 is 131103302213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312203301131 - 2²² = 312199106827 is a prime.

It is a super-2 number, since 2×312203301131² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312203307131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101650565 + 156101650566.

It is an arithmetic number, because the mean of its divisors is an integer number (156101650566).

Almost surely, 2^312203301131 is an apocalyptic number.

312203301131 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203301131 is an equidigital number, since it uses as much as digits as its factorization.

312203301131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312203301131 its reverse (131103302213), we get a palindrome (443306603344).

The spelling of 312203301131 in words is "three hundred twelve billion, two hundred three million, three hundred one thousand, one hundred thirty-one".