31303634216244 has 48 divisors (see below), whose sum is σ = 78660950191488. Its totient is φ = 9631821817728.

The previous prime is 31303634216233. The next prime is 31303634216303. The reversal of 31303634216244 is 44261243630313.

It is a junction number, because it is equal to n+sod(n) for n = 31303634216196 and 31303634216205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25482649 + ... + 26682815.

It is an arithmetic number, because the mean of its divisors is an integer number (1638769795656).

Almost surely, 2^{31303634216244} is an apocalyptic number.

It is an amenable number.

31303634216244 is an abundant number, since it is smaller than the sum of its proper divisors (47357315975244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31303634216244 is a wasteful number, since it uses less digits than its factorization.

31303634216244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367384 (or 1367382 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 42.

Adding to 31303634216244 its reverse (44261243630313), we get a palindrome (75564877846557).

The spelling of 31303634216244 in words is "thirty-one trillion, three hundred three billion, six hundred thirty-four million, two hundred sixteen thousand, two hundred forty-four".