31541305452342 has 64 divisors (see below), whose sum is σ = 75897885388800. Its totient is φ = 8536480319520.

The previous prime is 31541305452331. The next prime is 31541305452367. The reversal of 31541305452342 is 24325450314513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 31541305452294 and 31541305452303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4370967 + ... + 9065757.

It is an arithmetic number, because the mean of its divisors is an integer number (1185904459200).

Almost surely, 2^{31541305452342} is an apocalyptic number.

31541305452342 is an abundant number, since it is smaller than the sum of its proper divisors (44356579936458).

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

31541305452342 is a wasteful number, since it uses less digits than its factorization.

31541305452342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703241.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 31541305452342 its reverse (24325450314513), we get a palindrome (55866755766855).

The spelling of 31541305452342 in words is "thirty-one trillion, five hundred forty-one billion, three hundred five million, four hundred fifty-two thousand, three hundred forty-two".