231886550116 has 27 divisors (see below), whose sum is σ = 439441878603. Its totient is φ = 107018783040.

The previous prime is 231886550041. The next prime is 231886550143. The reversal of 231886550116 is 611055688132.

The square root of 231886550116 is 481546.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 23125284900 + 208761265216 = 152070^2 + 456904^2 .

It is a super-2 number, since 2×231886550116² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12510936 + ... + 12529456.

Almost surely, 2^231886550116 is an apocalyptic number.

231886550116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

231886550116 is the 481546-th square number.

It is an amenable number.

231886550116 is a deficient number, since it is larger than the sum of its proper divisors (207555328487).

231886550116 is an frugal number, since it uses more digits than its factorization.

231886550116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37072 (or 18536 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 231886550116 in words is "two hundred thirty-one billion, eight hundred eighty-six million, five hundred fifty thousand, one hundred sixteen".