63313355831 has 8 divisors (see below), whose sum is σ = 70753728528. Its totient is φ = 56153752000.

The previous prime is 63313355803. The next prime is 63313355839. The reversal of 63313355831 is 13855331336.

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 63313355831 - 2¹⁰ = 63313354807 is a prime.

It is a super-2 number, since 2×63313355831² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63313355839) 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, 70191740 + ... + 70192641.

It is an arithmetic number, because the mean of its divisors is an integer number (8844216066).

Almost surely, 2^63313355831 is an apocalyptic number.

63313355831 is a deficient number, since it is larger than the sum of its proper divisors (7440372697).

63313355831 is a wasteful number, since it uses less digits than its factorization.

63313355831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140384433.

The product of its digits is 291600, while the sum is 41.

The spelling of 63313355831 in words is "sixty-three billion, three hundred thirteen million, three hundred fifty-five thousand, eight hundred thirty-one".