31420242104102 has 8 divisors (see below), whose sum is σ = 47132535027312. Its totient is φ = 15709397095000.

The previous prime is 31420242104099. The next prime is 31420242104107. The reversal of 31420242104102 is 20140124202413.

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

It is a super-2 number, since 2×31420242104102² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420242104107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361924274 + ... + 362011077.

It is an arithmetic number, because the mean of its divisors is an integer number (5891566878414).

Almost surely, 2^{31420242104102} is an apocalyptic number.

31420242104102 is a deficient number, since it is larger than the sum of its proper divisors (15712292923210).

31420242104102 is a wasteful number, since it uses less digits than its factorization.

31420242104102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723957054.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31420242104102 its reverse (20140124202413), we get a palindrome (51560366306515).

The spelling of 31420242104102 in words is "thirty-one trillion, four hundred twenty billion, two hundred forty-two million, one hundred four thousand, one hundred two".