31440413024131 has 8 divisors (see below), whose sum is σ = 33373702615680. Its totient is φ = 29516440491648.

The previous prime is 31440413024093. The next prime is 31440413024149. The reversal of 31440413024131 is 13142031404413.

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 31440413024131 - 2¹⁵ = 31440412991363 is a prime.

It is a super-2 number, since 2×31440413024131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31440413024093 and 31440413024102.

It is not an unprimeable number, because it can be changed into a prime (31440413024171) 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, 2329257811 + ... + 2329271308.

It is an arithmetic number, because the mean of its divisors is an integer number (4171712826960).

Almost surely, 2^{31440413024131} is an apocalyptic number.

31440413024131 is a deficient number, since it is larger than the sum of its proper divisors (1933289591549).

31440413024131 is a wasteful number, since it uses less digits than its factorization.

31440413024131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658529533.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31440413024131 its reverse (13142031404413), we get a palindrome (44582444428544).

The spelling of 31440413024131 in words is "thirty-one trillion, four hundred forty billion, four hundred thirteen million, twenty-four thousand, one hundred thirty-one".