31401000254 has 32 divisors (see below), whose sum is σ = 54183880800. Its totient is φ = 13519521792.

The previous prime is 31401000233. The next prime is 31401000269. The reversal of 31401000254 is 45200010413.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264404 + ... + 364295.

It is an arithmetic number, because the mean of its divisors is an integer number (1693246275).

Almost surely, 2^31401000254 is an apocalyptic number.

31401000254 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31401000254 is a deficient number, since it is larger than the sum of its proper divisors (22782880546).

31401000254 is a wasteful number, since it uses less digits than its factorization.

31401000254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628844.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 31401000254 its reverse (45200010413), we get a palindrome (76601010667).

The spelling of 31401000254 in words is "thirty-one billion, four hundred one million, two hundred fifty-four", and thus it is an aban number.