31420273492048 has 160 divisors (see below), whose sum is σ = 70748060405760. Its totient is φ = 13239968002560.

The previous prime is 31420273491983. The next prime is 31420273492081. The reversal of 31420273492048 is 84029437202413.

It is a super-4 number, since 4×31420273492048⁴ (a number of 55 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31420273491992 and 31420273492010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8261968515 + ... + 8261972317.

It is an arithmetic number, because the mean of its divisors is an integer number (442175377536).

Almost surely, 2^{31420273492048} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31420273492048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35374030202880).

31420273492048 is an abundant number, since it is smaller than the sum of its proper divisors (39327786913712).

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

31420273492048 is a wasteful number, since it uses less digits than its factorization.

31420273492048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7545 (or 7539 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 31420273492048 in words is "thirty-one trillion, four hundred twenty billion, two hundred seventy-three million, four hundred ninety-two thousand, forty-eight".