231646601346051 has 32 divisors (see below), whose sum is σ = 320127339110400. Its totient is φ = 148819094202240.

The previous prime is 231646601346047. The next prime is 231646601346067. The reversal of 231646601346051 is 150643106646132.

It is a happy number.

It is not a de Polignac number, because 231646601346051 - 2² = 231646601346047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231646601346091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191145445 + ... + 192353513.

It is an arithmetic number, because the mean of its divisors is an integer number (10003979347200).

Almost surely, 2^{231646601346051} is an apocalyptic number.

231646601346051 is a deficient number, since it is larger than the sum of its proper divisors (88480737764349).

231646601346051 is a wasteful number, since it uses less digits than its factorization.

231646601346051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212339.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 231646601346051 in words is "two hundred thirty-one trillion, six hundred forty-six billion, six hundred one million, three hundred forty-six thousand, fifty-one".