1313131011 has 8 divisors (see below), whose sum is σ = 1752367104. Its totient is φ = 874657800.

The previous prime is 1313131003. The next prime is 1313131063. The reversal of 1313131011 is 1101313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313131011 - 2³ = 1313131003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313131411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186691 + ... + 193596.

It is an arithmetic number, because the mean of its divisors is an integer number (219045888).

Almost surely, 2^1313131011 is an apocalyptic number.

1313131011 is a deficient number, since it is larger than the sum of its proper divisors (439236093).

1313131011 is a wasteful number, since it uses less digits than its factorization.

1313131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381441.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1313131011 is about 36237.1495981679. The cubic root of 1313131011 is about 1095.0552187495.

Adding to 1313131011 its reverse (1101313131), we get a palindrome (2414444142).

The spelling of 1313131011 in words is "one billion, three hundred thirteen million, one hundred thirty-one thousand, eleven".