31020011131101 has 16 divisors (see below), whose sum is σ = 42038278270848. Its totient is φ = 20340879422400.

The previous prime is 31020011131073. The next prime is 31020011131133. The reversal of 31020011131101 is 10113111002013.

It is not a de Polignac number, because 31020011131101 - 2⁵ = 31020011131069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020011131141) 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, 45304240 + ... + 45983846.

It is an arithmetic number, because the mean of its divisors is an integer number (2627392391928).

Almost surely, 2^{31020011131101} is an apocalyptic number.

It is an amenable number.

31020011131101 is a deficient number, since it is larger than the sum of its proper divisors (11018267139747).

31020011131101 is a wasteful number, since it uses less digits than its factorization.

31020011131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929092.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 31020011131101 its reverse (10113111002013), we get a palindrome (41133122133114).

The spelling of 31020011131101 in words is "thirty-one trillion, twenty billion, eleven million, one hundred thirty-one thousand, one hundred one".