31400103471 has 16 divisors (see below), whose sum is σ = 45676528128. Its totient is φ = 19028844800.

The previous prime is 31400103467. The next prime is 31400103473. The reversal of 31400103471 is 17430100413.

It is a cyclic number.

It is not a de Polignac number, because 31400103471 - 2² = 31400103467 is a prime.

It is a super-3 number, since 3×31400103471³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400103473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490975 + ... + 551231.

It is an arithmetic number, because the mean of its divisors is an integer number (2854783008).

Almost surely, 2^31400103471 is an apocalyptic number.

31400103471 is a deficient number, since it is larger than the sum of its proper divisors (14276424657).

31400103471 is a wasteful number, since it uses less digits than its factorization.

31400103471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76062.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 31400103471 its reverse (17430100413), we get a palindrome (48830203884).

The spelling of 31400103471 in words is "thirty-one billion, four hundred million, one hundred three thousand, four hundred seventy-one".