351231977083681 has 8 divisors (see below), whose sum is σ = 353193261347520. Its totient is φ = 349272494646768.

The previous prime is 351231977083657. The next prime is 351231977083697. The reversal of 351231977083681 is 186380779132153.

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 351231977083681 - 2⁴³ = 342435884061473 is a prime.

It is a super-2 number, since 2×351231977083681² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351231977086681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450065781 + ... + 450845506.

It is an arithmetic number, because the mean of its divisors is an integer number (44149157668440).

Almost surely, 2^{351231977083681} is an apocalyptic number.

It is an amenable number.

351231977083681 is a deficient number, since it is larger than the sum of its proper divisors (1961284263839).

351231977083681 is a wasteful number, since it uses less digits than its factorization.

351231977083681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900913463.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 351231977083681 in words is "three hundred fifty-one trillion, two hundred thirty-one billion, nine hundred seventy-seven million, eighty-three thousand, six hundred eighty-one".