1315102250 has 128 divisors (see below), whose sum is σ = 3129684480. Its totient is φ = 401856000.

The previous prime is 1315102247. The next prime is 1315102273. The reversal of 1315102250 is 522015131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1019606 + ... + 1020894.

It is an arithmetic number, because the mean of its divisors is an integer number (24450660).

Almost surely, 2^1315102250 is an apocalyptic number.

1315102250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315102250 is an abundant number, since it is smaller than the sum of its proper divisors (1814582230).

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

1315102250 is a wasteful number, since it uses less digits than its factorization.

1315102250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1315102250 is about 36264.3385435334. The cubic root of 1315102250 is about 1095.6029011674.

Adding to 1315102250 its reverse (522015131), we get a palindrome (1837117381).

The spelling of 1315102250 in words is "one billion, three hundred fifteen million, one hundred two thousand, two hundred fifty".