31143414412 has 24 divisors (see below), whose sum is σ = 59460120720. Its totient is φ = 14155023360.

The previous prime is 31143414391. The next prime is 31143414437. The reversal of 31143414412 is 21441434113.

It is a super-2 number, since 2×31143414412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005948 + ... + 1036444.

It is an arithmetic number, because the mean of its divisors is an integer number (2477505030).

Almost surely, 2^31143414412 is an apocalyptic number.

It is an amenable number.

31143414412 is a deficient number, since it is larger than the sum of its proper divisors (28316706308).

31143414412 is a wasteful number, since it uses less digits than its factorization.

31143414412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53721 (or 53719 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

Adding to 31143414412 its reverse (21441434113), we get a palindrome (52584848525).

It can be divided in two parts, 3114341 and 4412, that added together give a triangular number (3118753 = T₂₄₉₇).

The spelling of 31143414412 in words is "thirty-one billion, one hundred forty-three million, four hundred fourteen thousand, four hundred twelve".