101313131 has 4 divisors (see below), whose sum is σ = 102974064. Its totient is φ = 99652200.

The previous prime is 101313109. The next prime is 101313161. The reversal of 101313131 is 131313101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131313101 = 751 ⋅174851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101313131 is a prime.

It is a super-2 number, since 2×101313131² = 20528701026046322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101313161) 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, 830375 + ... + 830496.

It is an arithmetic number, because the mean of its divisors is an integer number (25743516).

Almost surely, 2^101313131 is an apocalyptic number.

101313131 is a deficient number, since it is larger than the sum of its proper divisors (1660933).

101313131 is an equidigital number, since it uses as much as digits as its factorization.

101313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660932.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 101313131 is about 10065.4424145191. The cubic root of 101313131 is about 466.1817262335.

Adding to 101313131 its reverse (131313101), we get a palindrome (232626232).

The spelling of 101313131 in words is "one hundred one million, three hundred thirteen thousand, one hundred thirty-one".