31112301001 has 8 divisors (see below), whose sum is σ = 32974719624. Its totient is φ = 29253469440.

The previous prime is 31112300993. The next prime is 31112301007. The reversal of 31112301001 is 10010321113.

It can be written as a sum of positive squares in 4 ways, for example, as 8596998400 + 22515302601 = 92720^2 + 150051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31112301001 - 2³ = 31112300993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112301007) 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 7 ways as a sum of consecutive naturals, for example, 878890 + ... + 913603.

It is an arithmetic number, because the mean of its divisors is an integer number (4121839953).

Almost surely, 2^31112301001 is an apocalyptic number.

It is an amenable number.

31112301001 is a deficient number, since it is larger than the sum of its proper divisors (1862418623).

31112301001 is a wasteful number, since it uses less digits than its factorization.

31112301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793531.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31112301001 its reverse (10010321113), we get a palindrome (41122622114).

The spelling of 31112301001 in words is "thirty-one billion, one hundred twelve million, three hundred one thousand, one".