31120310101 has 8 divisors (see below), whose sum is σ = 32196720384. Its totient is φ = 30048432960.

The previous prime is 31120310093. The next prime is 31120310113. The reversal of 31120310101 is 10101302113.

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

It is a cyclic number.

It is not a de Polignac number, because 31120310101 - 2³ = 31120310093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120310171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119316 + ... + 1146781.

It is an arithmetic number, because the mean of its divisors is an integer number (4024590048).

Almost surely, 2^31120310101 is an apocalyptic number.

31120310101 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31120310101 is a deficient number, since it is larger than the sum of its proper divisors (1076410283).

31120310101 is a wasteful number, since it uses less digits than its factorization.

31120310101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266571.

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

Adding to 31120310101 its reverse (10101302113), we get a palindrome (41221612214).

The spelling of 31120310101 in words is "thirty-one billion, one hundred twenty million, three hundred ten thousand, one hundred one".