31405143101 has 8 divisors (see below), whose sum is σ = 32494224000. Its totient is φ = 30316471920.

The previous prime is 31405143097. The next prime is 31405143113. The reversal of 31405143101 is 10134150413.

It is a happy number.

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 31405143101 - 2² = 31405143097 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 (31405143131) 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, 57800 + ... + 257198.

It is an arithmetic number, because the mean of its divisors is an integer number (4061778000).

Almost surely, 2^31405143101 is an apocalyptic number.

It is an amenable number.

31405143101 is a deficient number, since it is larger than the sum of its proper divisors (1089080899).

31405143101 is a wasteful number, since it uses less digits than its factorization.

31405143101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204859.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 31405143101 its reverse (10134150413), we get a palindrome (41539293514).

The spelling of 31405143101 in words is "thirty-one billion, four hundred five million, one hundred forty-three thousand, one hundred one".