31261253324653 has 48 divisors (see below), whose sum is σ = 35577091211200. Its totient is φ = 27430984627200.

The previous prime is 31261253324621. The next prime is 31261253324677. The reversal of 31261253324653 is 35642335216213.

It is a happy number.

It is not a de Polignac number, because 31261253324653 - 2⁵ = 31261253324621 is a prime.

It is a super-3 number, since 3×31261253324653³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31261253328653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214868413 + ... + 215013853.

Almost surely, 2^{31261253324653} is an apocalyptic number.

It is an amenable number.

31261253324653 is a deficient number, since it is larger than the sum of its proper divisors (4315837886547).

31261253324653 is a wasteful number, since it uses less digits than its factorization.

31261253324653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145994 (or 145983 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 46.

The spelling of 31261253324653 in words is "thirty-one trillion, two hundred sixty-one billion, two hundred fifty-three million, three hundred twenty-four thousand, six hundred fifty-three".