315431203100 has 144 divisors (see below), whose sum is σ = 764351078400. Its totient is φ = 112201286400.

The previous prime is 315431203099. The next prime is 315431203121. The reversal of 315431203100 is 1302134513.

It is a super-2 number, since 2×315431203100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8969351 + ... + 9004449.

It is an arithmetic number, because the mean of its divisors is an integer number (5307993600).

Almost surely, 2^315431203100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315431203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382175539200).

315431203100 is an abundant number, since it is smaller than the sum of its proper divisors (448919875300).

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

315431203100 is a wasteful number, since it uses less digits than its factorization.

315431203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35380 (or 35373 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 315431203100 its reverse (1302134513), we get a palindrome (316733337613).

The spelling of 315431203100 in words is "three hundred fifteen billion, four hundred thirty-one million, two hundred three thousand, one hundred".