31142101211 has 8 divisors (see below), whose sum is σ = 34694118480. Its totient is φ = 27755294112.

The previous prime is 31142101181. The next prime is 31142101279. The reversal of 31142101211 is 11210124113.

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

It is not a de Polignac number, because 31142101211 - 2⁶ = 31142101147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31142101211.

It is not an unprimeable number, because it can be changed into a prime (31142103211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41302145 + ... + 41302898.

It is an arithmetic number, because the mean of its divisors is an integer number (4336764810).

Almost surely, 2^31142101211 is an apocalyptic number.

31142101211 is a deficient number, since it is larger than the sum of its proper divisors (3552017269).

31142101211 is a wasteful number, since it uses less digits than its factorization.

31142101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82605085.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 31142101211 its reverse (11210124113), we get a palindrome (42352225324).

The spelling of 31142101211 in words is "thirty-one billion, one hundred forty-two million, one hundred one thousand, two hundred eleven".