31154234344 has 16 divisors (see below), whose sum is σ = 60953937120. Its totient is φ = 14899851120.

The previous prime is 31154234341. The next prime is 31154234351. The reversal of 31154234344 is 44343245113.

It is a super-2 number, since 2×31154234344² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31154234341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84658062 + ... + 84658429.

It is an arithmetic number, because the mean of its divisors is an integer number (3809621070).

Almost surely, 2^31154234344 is an apocalyptic number.

It is an amenable number.

31154234344 is a deficient number, since it is larger than the sum of its proper divisors (29799702776).

31154234344 is a wasteful number, since it uses less digits than its factorization.

31154234344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169316520 (or 169316516 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

Adding to 31154234344 its reverse (44343245113), we get a palindrome (75497479457).

The spelling of 31154234344 in words is "thirty-one billion, one hundred fifty-four million, two hundred thirty-four thousand, three hundred forty-four".