1263031040631 has 8 divisors (see below), whose sum is σ = 1684052472960. Its totient is φ = 842015151032.

The previous prime is 1263031040629. The next prime is 1263031040659. The reversal of 1263031040631 is 1360401303621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263031040631 - 2¹ = 1263031040629 is a prime.

It is a super-2 number, since 2×1263031040631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263031040681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821121 + ... + 1788938.

It is an arithmetic number, because the mean of its divisors is an integer number (210506559120).

Almost surely, 2^{1263031040631} is an apocalyptic number.

1263031040631 is a deficient number, since it is larger than the sum of its proper divisors (421021432329).

1263031040631 is a wasteful number, since it uses less digits than its factorization.

1263031040631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771365.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 1263031040631 in words is "one trillion, two hundred sixty-three billion, thirty-one million, forty thousand, six hundred thirty-one".