31101320001 has 12 divisors (see below), whose sum is σ = 43765847952. Its totient is φ = 19642938264.

The previous prime is 31101319993. The next prime is 31101320009. The reversal of 31101320001 is 10002310113.

It is an interprime number because it is at equal distance from previous prime (31101319993) and next prime (31101320009).

It is not a de Polignac number, because 31101320001 - 2³ = 31101319993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31101320009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14357791 + ... + 14359956.

It is an arithmetic number, because the mean of its divisors is an integer number (3647153996).

Almost surely, 2^31101320001 is an apocalyptic number.

It is an amenable number.

31101320001 is a deficient number, since it is larger than the sum of its proper divisors (12664527951).

31101320001 is a wasteful number, since it uses less digits than its factorization.

31101320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28717788 (or 28717769 counting only the distinct ones).

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

Adding to 31101320001 its reverse (10002310113), we get a palindrome (41103630114).

The spelling of 31101320001 in words is "thirty-one billion, one hundred one million, three hundred twenty thousand, one".