631326262623136 has 12 divisors (see below), whose sum is σ = 1242923579539362. Its totient is φ = 315663131311552.

The previous prime is 631326262623107. The next prime is 631326262623137.

631326262623136 is nontrivially palindromic in base 10.

631326262623136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 345653391163536 + 285672871459600 = 18591756^2 + 16901860^2 .

It is not an unprimeable number, because it can be changed into a prime (631326262623137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9864472853455 + ... + 9864472853518.

Almost surely, 2^{631326262623136} is an apocalyptic number.

It is an amenable number.

631326262623136 is a deficient number, since it is larger than the sum of its proper divisors (611597316916226).

631326262623136 is a wasteful number, since it uses less digits than its factorization.

631326262623136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19728945706983 (or 19728945706975 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 52.

The spelling of 631326262623136 in words is "six hundred thirty-one trillion, three hundred twenty-six billion, two hundred sixty-two million, six hundred twenty-three thousand, one hundred thirty-six".