351243651011 has 24 divisors (see below), whose sum is σ = 394599017232. Its totient is φ = 312340952000.

The previous prime is 351243650987. The next prime is 351243651019. The reversal of 351243651011 is 110156342153.

It is not a de Polignac number, because 351243651011 - 2³⁴ = 334063781827 is a prime.

It is a super-2 number, since 2×351243651011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351243651019) 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 23 ways as a sum of consecutive naturals, for example, 841205 + ... + 1187481.

It is an arithmetic number, because the mean of its divisors is an integer number (16441625718).

Almost surely, 2^351243651011 is an apocalyptic number.

351243651011 is a deficient number, since it is larger than the sum of its proper divisors (43355366221).

351243651011 is a wasteful number, since it uses less digits than its factorization.

351243651011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346483 (or 346472 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 351243651011 its reverse (110156342153), we get a palindrome (461399993164).

The spelling of 351243651011 in words is "three hundred fifty-one billion, two hundred forty-three million, six hundred fifty-one thousand, eleven".