31354253645552 has 40 divisors (see below), whose sum is σ = 61196098948992. Its totient is φ = 15561726233600.

The previous prime is 31354253645531. The next prime is 31354253645557. The reversal of 31354253645552 is 25554635245313.

It is a super-2 number, since 2×31354253645552² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31354253645494 and 31354253645503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31354253645557) 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, 35426177 + ... + 36300447.

Almost surely, 2^{31354253645552} is an apocalyptic number.

It is an amenable number.

31354253645552 is a deficient number, since it is larger than the sum of its proper divisors (29841845303440).

31354253645552 is a wasteful number, since it uses less digits than its factorization.

31354253645552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890777 (or 890771 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 53.

The spelling of 31354253645552 in words is "thirty-one trillion, three hundred fifty-four billion, two hundred fifty-three million, six hundred forty-five thousand, five hundred fifty-two".