31020101101 has 4 divisors (see below), whose sum is σ = 33840110304. Its totient is φ = 28200091900.

The previous prime is 31020101069. The next prime is 31020101149. The reversal of 31020101101 is 10110102013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31020101101 - 2⁵ = 31020101069 is a prime.

It is a super-2 number, since 2×31020101101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020101201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410004585 + ... + 1410004606.

It is an arithmetic number, because the mean of its divisors is an integer number (8460027576).

Almost surely, 2^31020101101 is an apocalyptic number.

It is an amenable number.

31020101101 is a deficient number, since it is larger than the sum of its proper divisors (2820009203).

31020101101 is a wasteful number, since it uses less digits than its factorization.

31020101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820009202.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 31020101101 its reverse (10110102013), we get a palindrome (41130203114).

The spelling of 31020101101 in words is "thirty-one billion, twenty million, one hundred one thousand, one hundred one".