2231631590 has 32 divisors (see below), whose sum is σ = 4065914880. Its totient is φ = 881816544.

The previous prime is 2231631569. The next prime is 2231631617. The reversal of 2231631590 is 951361322.

It is a super-3 number, since 3×2231631590³ (a number of 29 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402779 + ... + 408281.

It is an arithmetic number, because the mean of its divisors is an integer number (127059840).

Almost surely, 2^2231631590 is an apocalyptic number.

2231631590 is a deficient number, since it is larger than the sum of its proper divisors (1834283290).

2231631590 is a wasteful number, since it uses less digits than its factorization.

2231631590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2231631590 is about 47240.1480734343. The cubic root of 2231631590 is about 1306.7951084030.

The spelling of 2231631590 in words is "two billion, two hundred thirty-one million, six hundred thirty-one thousand, five hundred ninety".