31450243136234 has 16 divisors (see below), whose sum is σ = 50804332820640. Its totient is φ = 14515470001200.

The previous prime is 31450243136231. The next prime is 31450243136269. The reversal of 31450243136234 is 43263134205413.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31450243136191 and 31450243136200.

It is not an unprimeable number, because it can be changed into a prime (31450243136231) 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, 23194709 + ... + 24513159.

It is an arithmetic number, because the mean of its divisors is an integer number (3175270801290).

Almost surely, 2^{31450243136234} is an apocalyptic number.

31450243136234 is a deficient number, since it is larger than the sum of its proper divisors (19354089684406).

31450243136234 is a wasteful number, since it uses less digits than its factorization.

31450243136234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235925.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 31450243136234 in words is "thirty-one trillion, four hundred fifty billion, two hundred forty-three million, one hundred thirty-six thousand, two hundred thirty-four".