31131232001102 has 8 divisors (see below), whose sum is σ = 46697472757512. Its totient is φ = 15565407748600.

The previous prime is 31131232001041. The next prime is 31131232001119. The reversal of 31131232001102 is 20110023213113.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103939049 + ... + 104238132.

It is an arithmetic number, because the mean of its divisors is an integer number (5837184094689).

Almost surely, 2^{31131232001102} is an apocalyptic number.

31131232001102 is a deficient number, since it is larger than the sum of its proper divisors (15566240756410).

31131232001102 is a wasteful number, since it uses less digits than its factorization.

31131232001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208251954.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31131232001102 its reverse (20110023213113), we get a palindrome (51241255214215).

The spelling of 31131232001102 in words is "thirty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, one thousand, one hundred two".