1315331101 has 4 divisors (see below), whose sum is σ = 1503235552. Its totient is φ = 1127426652.

The previous prime is 1315331081. The next prime is 1315331131. The reversal of 1315331101 is 1011335131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1315331101 - 2¹³ = 1315322909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315331131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93952215 + ... + 93952228.

It is an arithmetic number, because the mean of its divisors is an integer number (375808888).

Almost surely, 2^1315331101 is an apocalyptic number.

It is an amenable number.

1315331101 is a deficient number, since it is larger than the sum of its proper divisors (187904451).

1315331101 is an equidigital number, since it uses as much as digits as its factorization.

1315331101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187904450.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1315331101 is about 36267.4937237190. The cubic root of 1315331101 is about 1095.6664488946. Note that the first 3 decimals are identical.

Adding to 1315331101 its reverse (1011335131), we get a palindrome (2326666232).

The spelling of 1315331101 in words is "one billion, three hundred fifteen million, three hundred thirty-one thousand, one hundred one".