31105351434 has 16 divisors (see below), whose sum is σ = 63230551200. Its totient is φ = 10198475760.

The previous prime is 31105351393. The next prime is 31105351439. The reversal of 31105351434 is 43415350113.

It is not an unprimeable number, because it can be changed into a prime (31105351439) 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, 42493284 + ... + 42494015.

It is an arithmetic number, because the mean of its divisors is an integer number (3951909450).

Almost surely, 2^31105351434 is an apocalyptic number.

31105351434 is an abundant number, since it is smaller than the sum of its proper divisors (32125199766).

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

31105351434 is a wasteful number, since it uses less digits than its factorization.

31105351434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84987365.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 31105351434 in words is "thirty-one billion, one hundred five million, three hundred fifty-one thousand, four hundred thirty-four".