31125252114 has 96 divisors (see below), whose sum is σ = 74983034880. Its totient is φ = 9251301600.

The previous prime is 31125252083. The next prime is 31125252127. The reversal of 31125252114 is 41125252113.

It is a happy number.

31125252114 is a `hidden beast` number, since 3 + 1 + 125 + 2 + 521 + 14 = 666.

It is a super-2 number, since 2×31125252114² (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 47 ways as a sum of consecutive naturals, for example, 5686399 + ... + 5691869.

It is an arithmetic number, because the mean of its divisors is an integer number (781073280).

Almost surely, 2^31125252114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31125252114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37491517440).

31125252114 is an abundant number, since it is smaller than the sum of its proper divisors (43857782766).

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

31125252114 is a wasteful number, since it uses less digits than its factorization.

31125252114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036 (or 6033 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

Subtracting 31125252114 from its reverse (41125252113), we obtain a palindrome (9999999999).

The spelling of 31125252114 in words is "thirty-one billion, one hundred twenty-five million, two hundred fifty-two thousand, one hundred fourteen".