312000031011 has 16 divisors (see below), whose sum is σ = 431645045760. Its totient is φ = 200220857760.

The previous prime is 312000031009. The next prime is 312000031033. The reversal of 312000031011 is 110130000213.

It is not a de Polignac number, because 312000031011 - 2¹ = 312000031009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312000031001) 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, 5388435 + ... + 5446028.

It is an arithmetic number, because the mean of its divisors is an integer number (26977815360).

Almost surely, 2^312000031011 is an apocalyptic number.

312000031011 is a deficient number, since it is larger than the sum of its proper divisors (119645014749).

312000031011 is a wasteful number, since it uses less digits than its factorization.

312000031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834826.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 312000031011 its reverse (110130000213), we get a palindrome (422130031224).

The spelling of 312000031011 in words is "three hundred twelve billion, thirty-one thousand, eleven".