152105320431 has 6 divisors (see below), whose sum is σ = 219707685080. Its totient is φ = 101403546948.

The previous prime is 152105320397. The next prime is 152105320463. The reversal of 152105320431 is 134023501251.

152105320431 is a `hidden beast` number, since 15 + 210 + 5 + 3 + 2 + 0 + 431 = 666.

It is not a de Polignac number, because 152105320431 - 2⁷ = 152105320303 is a prime.

It is a super-2 number, since 2×152105320431² (a number of 23 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 = 152105320395 and 152105320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152109320431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8450295571 + ... + 8450295588.

Almost surely, 2^152105320431 is an apocalyptic number.

152105320431 is a deficient number, since it is larger than the sum of its proper divisors (67602364649).

152105320431 is a wasteful number, since it uses less digits than its factorization.

152105320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16900591165 (or 16900591162 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 152105320431 its reverse (134023501251), we get a palindrome (286128821682).

The spelling of 152105320431 in words is "one hundred fifty-two billion, one hundred five million, three hundred twenty thousand, four hundred thirty-one".