31425546755551 has 16 divisors (see below), whose sum is σ = 35706756234240. Its totient is φ = 27417687636960.

The previous prime is 31425546755549. The next prime is 31425546755563. The reversal of 31425546755551 is 15555764552413.

It is a cyclic number.

It is not a de Polignac number, because 31425546755551 - 2¹ = 31425546755549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425546755521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147490915 + ... + 147703828.

It is an arithmetic number, because the mean of its divisors is an integer number (2231672264640).

Almost surely, 2^{31425546755551} is an apocalyptic number.

31425546755551 is a deficient number, since it is larger than the sum of its proper divisors (4281209478689).

31425546755551 is a wasteful number, since it uses less digits than its factorization.

31425546755551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295195206.

The product of its digits is 63000000, while the sum is 58.

The spelling of 31425546755551 in words is "thirty-one trillion, four hundred twenty-five billion, five hundred forty-six million, seven hundred fifty-five thousand, five hundred fifty-one".