31400002234100 has 36 divisors (see below), whose sum is σ = 68143374068364. Its totient is φ = 12559011175680.

The previous prime is 31400002234067. The next prime is 31400002234109. The reversal of 31400002234100 is 143220000413.

It can be written as a sum of positive squares in 6 ways, for example, as 4757136784 + 31395245097316 = 68972^2 + 5603146^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400002234109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11095427 + ... + 13634826.

It is an arithmetic number, because the mean of its divisors is an integer number (1892871501899).

Almost surely, 2^{31400002234100} is an apocalyptic number.

It is an amenable number.

31400002234100 is an abundant number, since it is smaller than the sum of its proper divisors (36743371834264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31400002234100 is a wasteful number, since it uses less digits than its factorization.

31400002234100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24742964 (or 24742957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31400002234100 its reverse (143220000413), we get a palindrome (31543222234513).

The spelling of 31400002234100 in words is "thirty-one trillion, four hundred billion, two million, two hundred thirty-four thousand, one hundred".