31243001001444 has 144 divisors (see below), whose sum is σ = 80046314449920. Its totient is φ = 10274272182720.

The previous prime is 31243001001437. The next prime is 31243001001529. The reversal of 31243001001444 is 44410010034213.

31243001001444 is a `hidden beast` number, since 312 + 4 + 300 + 1 + 0 + 0 + 1 + 4 + 44 = 666.

It is a super-2 number, since 2×31243001001444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 562797649 + ... + 562853159.

It is an arithmetic number, because the mean of its divisors is an integer number (555877183680).

Almost surely, 2^{31243001001444} is an apocalyptic number.

It is an amenable number.

31243001001444 is an abundant number, since it is smaller than the sum of its proper divisors (48803313448476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31243001001444 is a wasteful number, since it uses less digits than its factorization.

31243001001444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56390 (or 56385 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31243001001444 its reverse (44410010034213), we get a palindrome (75653011035657).

The spelling of 31243001001444 in words is "thirty-one trillion, two hundred forty-three billion, one million, one thousand, four hundred forty-four".