31400504143 has 8 divisors (see below), whose sum is σ = 33792636240. Its totient is φ = 29068932480.

The previous prime is 31400504129. The next prime is 31400504183. The reversal of 31400504143 is 34140500413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31400504143 - 2¹⁷ = 31400373071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31400504183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15139033 + ... + 15141106.

It is an arithmetic number, because the mean of its divisors is an integer number (4224079530).

Almost surely, 2^31400504143 is an apocalyptic number.

31400504143 is a deficient number, since it is larger than the sum of its proper divisors (2392132097).

31400504143 is a wasteful number, since it uses less digits than its factorization.

31400504143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30280217.

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 31400504143 in words is "thirty-one billion, four hundred million, five hundred four thousand, one hundred forty-three".