31124412044542 has 32 divisors (see below), whose sum is σ = 50544628992000. Its totient is φ = 14320977959808.

The previous prime is 31124412044513. The next prime is 31124412044569. The reversal of 31124412044542 is 24544021442113.

It is a happy number.

It is a super-2 number, since 2×31124412044542² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55974042 + ... + 56527357.

It is an arithmetic number, because the mean of its divisors is an integer number (1579519656000).

Almost surely, 2^{31124412044542} is an apocalyptic number.

31124412044542 is a deficient number, since it is larger than the sum of its proper divisors (19420216947458).

31124412044542 is a wasteful number, since it uses less digits than its factorization.

31124412044542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112501600.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 31124412044542 its reverse (24544021442113), we get a palindrome (55668433486655).

The spelling of 31124412044542 in words is "thirty-one trillion, one hundred twenty-four billion, four hundred twelve million, forty-four thousand, five hundred forty-two".