31400103440334 has 32 divisors (see below), whose sum is σ = 63205101891360. Its totient is φ = 10399363615872.

The previous prime is 31400103440239. The next prime is 31400103440351. The reversal of 31400103440334 is 43304430100413.

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, 17254489 + ... + 18987300.

It is an arithmetic number, because the mean of its divisors is an integer number (1975159434105).

Almost surely, 2^{31400103440334} is an apocalyptic number.

31400103440334 is an abundant number, since it is smaller than the sum of its proper divisors (31804998451026).

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

31400103440334 is a wasteful number, since it uses less digits than its factorization.

31400103440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36242724.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31400103440334 its reverse (43304430100413), we get a palindrome (74704533540747).

The spelling of 31400103440334 in words is "thirty-one trillion, four hundred billion, one hundred three million, four hundred forty thousand, three hundred thirty-four".