1315101255 has 32 divisors (see below), whose sum is σ = 2274725376. Its totient is φ = 644947584.

The previous prime is 1315101253. The next prime is 1315101269. The reversal of 1315101255 is 5521015131.

1315101255 is a nontrivial binomial coefficient, being equal to C(51286, 2).

It is not a de Polignac number, because 1315101255 - 2¹ = 1315101253 is a prime.

1315101255 is a modest number, since divided by 101255 gives 1315 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315101253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38464 + ... + 64106.

It is an arithmetic number, because the mean of its divisors is an integer number (71085168).

Almost surely, 2^1315101255 is an apocalyptic number.

1315101255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315101255 is the 51285-th triangular number and also the 25643-rd hexagonal number.

1315101255 is a deficient number, since it is larger than the sum of its proper divisors (959624121).

1315101255 is a wasteful number, since it uses less digits than its factorization.

1315101255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25927.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1315101255 is about 36264.3248248192. The cubic root of 1315101255 is about 1095.6026248581.

Adding to 1315101255 its reverse (5521015131), we get a palindrome (6836116386).

The spelling of 1315101255 in words is "one billion, three hundred fifteen million, one hundred one thousand, two hundred fifty-five".