31002143011 has 16 divisors (see below), whose sum is σ = 35810470080. Its totient is φ = 26289100800.

The previous prime is 31002142993. The next prime is 31002143027. The reversal of 31002143011 is 11034120013.

It is a cyclic number.

It is not a de Polignac number, because 31002143011 - 2⁵ = 31002142979 is a prime.

It is a super-2 number, since 2×31002143011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31002143411) 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, 900075 + ... + 933883.

It is an arithmetic number, because the mean of its divisors is an integer number (2238154380).

Almost surely, 2^31002143011 is an apocalyptic number.

31002143011 is a deficient number, since it is larger than the sum of its proper divisors (4808327069).

31002143011 is a wasteful number, since it uses less digits than its factorization.

31002143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35214.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31002143011 its reverse (11034120013), we get a palindrome (42036263024).

The spelling of 31002143011 in words is "thirty-one billion, two million, one hundred forty-three thousand, eleven".