231321010190 has 32 divisors (see below), whose sum is σ = 438868657440. Its totient is φ = 87543244800.

The previous prime is 231321010189. The next prime is 231321010229. The reversal of 231321010190 is 91010123132.

231321010190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231321010190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655331 + ... + 944510.

It is an arithmetic number, because the mean of its divisors is an integer number (13714645545).

Almost surely, 2^231321010190 is an apocalyptic number.

231321010190 is a deficient number, since it is larger than the sum of its proper divisors (207547647250).

231321010190 is a wasteful number, since it uses less digits than its factorization.

231321010190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600628.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 231321010190 in words is "two hundred thirty-one billion, three hundred twenty-one million, ten thousand, one hundred ninety".