315102132450 has 192 divisors, whose sum is σ = 1019142270720. Its totient is φ = 70076689920.

The previous prime is 315102132377. The next prime is 315102132473. The reversal of 315102132450 is 54231201513.

315102132450 is a `hidden beast` number, since 31 + 51 + 0 + 2 + 132 + 450 = 666.

315102132450 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100947 + ... + 800246.

It is an arithmetic number, because the mean of its divisors is an integer number (5308032660).

Almost surely, 2^315102132450 is an apocalyptic number.

315102132450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 315102132450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509571135360).

315102132450 is an abundant number, since it is smaller than the sum of its proper divisors (704040138270).

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

315102132450 is a wasteful number, since it uses less digits than its factorization.

315102132450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901258 (or 901247 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 315102132450 its reverse (54231201513), we get a palindrome (369333333963).

The spelling of 315102132450 in words is "three hundred fifteen billion, one hundred two million, one hundred thirty-two thousand, four hundred fifty".