31420510551343 has 4 divisors (see below), whose sum is σ = 31488373425568. Its totient is φ = 31352647677120.

The previous prime is 31420510551341. The next prime is 31420510551431. The reversal of 31420510551343 is 34315501502413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31420510551343 - 2¹ = 31420510551341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420510551341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33931436418 + ... + 33931437343.

It is an arithmetic number, because the mean of its divisors is an integer number (7872093356392).

Almost surely, 2^{31420510551343} is an apocalyptic number.

31420510551343 is a deficient number, since it is larger than the sum of its proper divisors (67862874225).

31420510551343 is an equidigital number, since it uses as much as digits as its factorization.

31420510551343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67862874224.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 31420510551343 in words is "thirty-one trillion, four hundred twenty billion, five hundred ten million, five hundred fifty-one thousand, three hundred forty-three".