405230131143031 has 16 divisors (see below), whose sum is σ = 412498196812800. Its totient is φ = 397975412831328.

The previous prime is 405230131143001. The next prime is 405230131143113. The reversal of 405230131143031 is 130341131032504.

It is not a de Polignac number, because 405230131143031 - 2²⁹ = 405229594272119 is a prime.

It is a super-2 number, since 2×405230131143031² (a number of 30 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 = 405230131142984 and 405230131143002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405230131143001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802562285 + ... + 2802706873.

It is an arithmetic number, because the mean of its divisors is an integer number (25781137300800).

Almost surely, 2^{405230131143031} is an apocalyptic number.

405230131143031 is a deficient number, since it is larger than the sum of its proper divisors (7268065669769).

405230131143031 is a wasteful number, since it uses less digits than its factorization.

405230131143031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190398.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 405230131143031 its reverse (130341131032504), we get a palindrome (535571262175535).

The spelling of 405230131143031 in words is "four hundred five trillion, two hundred thirty billion, one hundred thirty-one million, one hundred forty-three thousand, thirty-one".