Adding to 31020002131002 its reverse (20013120002013), we get a palindrome (51033122133015).
It is an unprimeable number.
Almost surely, 231020002131002 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31020002131002 is a wasteful number, since it uses less digits than its factorization.
31020002131002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189247222.
The spelling of 31020002131002 in words is "thirty-one trillion, twenty billion, two million, one hundred thirty-one thousand, two".