31255423135351 has 8 divisors (see below), whose sum is σ = 31322050031808. Its totient is φ = 31188821664000.

The previous prime is 31255423135331. The next prime is 31255423135361. The reversal of 31255423135351 is 15353132455213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31255423135351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31255423135298 and 31255423135307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31255423135331) 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, 3894015 + ... + 8813296.

It is an arithmetic number, because the mean of its divisors is an integer number (3915256253976).

Almost surely, 2^{31255423135351} is an apocalyptic number.

31255423135351 is a deficient number, since it is larger than the sum of its proper divisors (66626896457).

31255423135351 is a wasteful number, since it uses less digits than its factorization.

31255423135351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712553.

The product of its digits is 810000, while the sum is 43.

The spelling of 31255423135351 in words is "thirty-one trillion, two hundred fifty-five billion, four hundred twenty-three million, one hundred thirty-five thousand, three hundred fifty-one".