31304146255442 has 16 divisors (see below), whose sum is σ = 47013591905280. Its totient is φ = 15632960630352.

The previous prime is 31304146255441. The next prime is 31304146255537. The reversal of 31304146255442 is 24455264140313.

It is a junction number, because it is equal to n+sod(n) for n = 31304146255393 and 31304146255402.

It is not an unprimeable number, because it can be changed into a prime (31304146255441) 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, 2447309 + ... + 8282367.

It is an arithmetic number, because the mean of its divisors is an integer number (2938349494080).

Almost surely, 2^{31304146255442} is an apocalyptic number.

31304146255442 is a deficient number, since it is larger than the sum of its proper divisors (15709445649838).

31304146255442 is a wasteful number, since it uses less digits than its factorization.

31304146255442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838337.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 31304146255442 in words is "thirty-one trillion, three hundred four billion, one hundred forty-six million, two hundred fifty-five thousand, four hundred forty-two".