212431440401131 has 32 divisors (see below), whose sum is σ = 248464757518848. Its totient is φ = 177850415059200.

The previous prime is 212431440401119. The next prime is 212431440401149. The reversal of 212431440401131 is 131104044134212.

It is a cyclic number.

It is not a de Polignac number, because 212431440401131 - 2⁵ = 212431440401099 is a prime.

It is a super-2 number, since 2×212431440401131² (a number of 29 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 = 212431440401093 and 212431440401102.

It is not an unprimeable number, because it can be changed into a prime (212431440401161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519457431 + ... + 1519597231.

It is an arithmetic number, because the mean of its divisors is an integer number (7764523672464).

Almost surely, 2^{212431440401131} is an apocalyptic number.

212431440401131 is a deficient number, since it is larger than the sum of its proper divisors (36033317117717).

212431440401131 is a wasteful number, since it uses less digits than its factorization.

212431440401131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158131.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 212431440401131 its reverse (131104044134212), we get a palindrome (343535484535343).

The spelling of 212431440401131 in words is "two hundred twelve trillion, four hundred thirty-one billion, four hundred forty million, four hundred one thousand, one hundred thirty-one".