252101214131 has 4 divisors (see below), whose sum is σ = 271493615232. Its totient is φ = 232708813032.

The previous prime is 252101214121. The next prime is 252101214137. The reversal of 252101214131 is 131412101252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252101214131 - 2⁶ = 252101214067 is a prime.

It is a super-2 number, since 2×252101214131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252101214097 and 252101214106.

It is not an unprimeable number, because it can be changed into a prime (252101214137) 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, 9696200531 + ... + 9696200556.

It is an arithmetic number, because the mean of its divisors is an integer number (67873403808).

Almost surely, 2^252101214131 is an apocalyptic number.

252101214131 is a deficient number, since it is larger than the sum of its proper divisors (19392401101).

252101214131 is a wasteful number, since it uses less digits than its factorization.

252101214131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19392401100.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 252101214131 its reverse (131412101252), we get a palindrome (383513315383).

The spelling of 252101214131 in words is "two hundred fifty-two billion, one hundred one million, two hundred fourteen thousand, one hundred thirty-one".