31101242444 has 48 divisors (see below), whose sum is σ = 57706645920. Its totient is φ = 14641482240.

The previous prime is 31101242437. The next prime is 31101242453. The reversal of 31101242444 is 44424210113.

It is a super-3 number, since 3×31101242444³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3292352 + ... + 3301784.

It is an arithmetic number, because the mean of its divisors is an integer number (1202221790).

Almost surely, 2^31101242444 is an apocalyptic number.

It is an amenable number.

31101242444 is a deficient number, since it is larger than the sum of its proper divisors (26605403476).

31101242444 is a wasteful number, since it uses less digits than its factorization.

31101242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170 (or 10168 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31101242444 its reverse (44424210113), we get a palindrome (75525452557).

The spelling of 31101242444 in words is "thirty-one billion, one hundred one million, two hundred forty-two thousand, four hundred forty-four".