351020534431 has 4 divisors (see below), whose sum is σ = 401166325072. Its totient is φ = 300874743792.

The previous prime is 351020534413. The next prime is 351020534479. The reversal of 351020534431 is 134435020153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134435020153 = 7 ⋅19205002879.

It is not a de Polignac number, because 351020534431 - 2¹³ = 351020526239 is a prime.

It is a super-2 number, since 2×351020534431² (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 = 351020534393 and 351020534402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351020534731) 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, 25072895310 + ... + 25072895323.

It is an arithmetic number, because the mean of its divisors is an integer number (100291581268).

Almost surely, 2^351020534431 is an apocalyptic number.

351020534431 is a deficient number, since it is larger than the sum of its proper divisors (50145790641).

351020534431 is an equidigital number, since it uses as much as digits as its factorization.

351020534431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50145790640.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 351020534431 its reverse (134435020153), we get a palindrome (485455554584).

The spelling of 351020534431 in words is "three hundred fifty-one billion, twenty million, five hundred thirty-four thousand, four hundred thirty-one".