351542001331 has 4 divisors (see below), whose sum is σ = 351544185112. Its totient is φ = 351539817552.

The previous prime is 351542001313. The next prime is 351542001373. The reversal of 351542001331 is 133100245153.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133100245153 = 10099 ⋅13179547.

It is a cyclic number.

It is not a de Polignac number, because 351542001331 - 2¹⁷ = 351541870259 is a prime.

It is a super-2 number, since 2×351542001331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351542001331.

It is not an unprimeable number, because it can be changed into a prime (351542001311) 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, 829386 + ... + 1179391.

It is an arithmetic number, because the mean of its divisors is an integer number (87886046278).

Almost surely, 2^351542001331 is an apocalyptic number.

351542001331 is a deficient number, since it is larger than the sum of its proper divisors (2183781).

351542001331 is a wasteful number, since it uses less digits than its factorization.

351542001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183780.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 351542001331 its reverse (133100245153), we get a palindrome (484642246484).

The spelling of 351542001331 in words is "three hundred fifty-one billion, five hundred forty-two million, one thousand, three hundred thirty-one".