312030131 has 16 divisors (see below), whose sum is σ = 366094848. Its totient is φ = 260366400.

The previous prime is 312030071. The next prime is 312030143. The reversal of 312030131 is 131030213.

It is not a de Polignac number, because 312030131 - 2¹⁴ = 312013747 is a prime.

It is a super-2 number, since 2×312030131² = 194725605303754322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312030181) 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, 180236 + ... + 181958.

It is an arithmetic number, because the mean of its divisors is an integer number (22880928).

Almost surely, 2^312030131 is an apocalyptic number.

312030131 is a deficient number, since it is larger than the sum of its proper divisors (54064717).

312030131 is a wasteful number, since it uses less digits than its factorization.

312030131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 312030131 is about 17664.3746280473. The cubic root of 312030131 is about 678.2641213599.

Adding to 312030131 its reverse (131030213), we get a palindrome (443060344).

The spelling of 312030131 in words is "three hundred twelve million, thirty thousand, one hundred thirty-one".