31263531054461 has 8 divisors (see below), whose sum is σ = 31364638324800. Its totient is φ = 31162431579552.

The previous prime is 31263531054421. The next prime is 31263531054463. The reversal of 31263531054461 is 16445013536213.

It is a happy number.

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 31263531054461 - 2³⁰ = 31262457312637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31263531054463) 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, 6139286 + ... + 10010888.

It is an arithmetic number, because the mean of its divisors is an integer number (3920579790600).

Almost surely, 2^{31263531054461} is an apocalyptic number.

It is an amenable number.

31263531054461 is a deficient number, since it is larger than the sum of its proper divisors (101107270339).

31263531054461 is a wasteful number, since it uses less digits than its factorization.

31263531054461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897715.

The product of its (nonzero) digits is 777600, while the sum is 44.

It can be divided in two parts, 3126353 and 1054461, that added together give a palindrome (4180814).

The spelling of 31263531054461 in words is "thirty-one trillion, two hundred sixty-three billion, five hundred thirty-one million, fifty-four thousand, four hundred sixty-one".