31401124033 has 8 divisors (see below), whose sum is σ = 31466641320. Its totient is φ = 31335659520.

The previous prime is 31401124021. The next prime is 31401124037. The reversal of 31401124033 is 33042110413.

It can be written as a sum of positive squares in 4 ways, for example, as 4471329424 + 26929794609 = 66868^2 + 164103^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31401124033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31401123995 and 31401124013.

It is not an unprimeable number, because it can be changed into a prime (31401124037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314391 + ... + 1338067.

It is an arithmetic number, because the mean of its divisors is an integer number (3933330165).

Almost surely, 2^31401124033 is an apocalyptic number.

It is an amenable number.

31401124033 is a deficient number, since it is larger than the sum of its proper divisors (65517287).

31401124033 is a wasteful number, since it uses less digits than its factorization.

31401124033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31401124033 its reverse (33042110413), we get a palindrome (64443234446).

The spelling of 31401124033 in words is "thirty-one billion, four hundred one million, one hundred twenty-four thousand, thirty-three".