231612650514402 has 16 divisors (see below), whose sum is σ = 487605580030560. Its totient is φ = 73140837004512.

The previous prime is 231612650514293. The next prime is 231612650514409. The reversal of 231612650514402 is 204415056216132.

It is not an unprimeable number, because it can be changed into a prime (231612650514409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015844958283 + ... + 1015844958510.

It is an arithmetic number, because the mean of its divisors is an integer number (30475348751910).

Almost surely, 2^{231612650514402} is an apocalyptic number.

231612650514402 is an abundant number, since it is smaller than the sum of its proper divisors (255992929516158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231612650514402 is a wasteful number, since it uses less digits than its factorization.

231612650514402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031689916817.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 231612650514402 in words is "two hundred thirty-one trillion, six hundred twelve billion, six hundred fifty million, five hundred fourteen thousand, four hundred two".