351123421031 has 8 divisors (see below), whose sum is σ = 366912340704. Its totient is φ = 335378058400.

The previous prime is 351123420983. The next prime is 351123421043. The reversal of 351123421031 is 130124321153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 351123421031 - 2¹⁰ = 351123420007 is a prime.

It is a super-2 number, since 2×351123421031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351123421091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10872776 + ... + 10905021.

It is an arithmetic number, because the mean of its divisors is an integer number (45864042588).

Almost surely, 2^351123421031 is an apocalyptic number.

351123421031 is a deficient number, since it is larger than the sum of its proper divisors (15788919673).

351123421031 is a wasteful number, since it uses less digits than its factorization.

351123421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778521.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 351123421031 its reverse (130124321153), we get a palindrome (481247742184).

The spelling of 351123421031 in words is "three hundred fifty-one billion, one hundred twenty-three million, four hundred twenty-one thousand, thirty-one".