101262135131 has 4 divisors (see below), whose sum is σ = 103998949632. Its totient is φ = 98525320632.

The previous prime is 101262135113. The next prime is 101262135157. The reversal of 101262135131 is 131531262101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131531262101 = 12253 ⋅10734617.

It is a cyclic number.

It is not a de Polignac number, because 101262135131 - 2⁶ = 101262135067 is a prime.

It is a super-2 number, since 2×101262135131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101262135131.

It is not an unprimeable number, because it can be changed into a prime (101262135181) 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, 1368407195 + ... + 1368407268.

It is an arithmetic number, because the mean of its divisors is an integer number (25999737408).

Almost surely, 2^101262135131 is an apocalyptic number.

101262135131 is a deficient number, since it is larger than the sum of its proper divisors (2736814501).

101262135131 is an equidigital number, since it uses as much as digits as its factorization.

101262135131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736814500.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 101262135131 its reverse (131531262101), we get a palindrome (232793397232).

The spelling of 101262135131 in words is "one hundred one billion, two hundred sixty-two million, one hundred thirty-five thousand, one hundred thirty-one".