31151452014 has 32 divisors (see below), whose sum is σ = 72868896000. Its totient is φ = 9837300312.

The previous prime is 31151451979. The next prime is 31151452043. The reversal of 31151452014 is 41025415113.

31151452014 is a `hidden beast` number, since 3 + 115 + 14 + 520 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 15179994 + ... + 15182045.

It is an arithmetic number, because the mean of its divisors is an integer number (2277153000).

Almost surely, 2^31151452014 is an apocalyptic number.

31151452014 is an abundant number, since it is smaller than the sum of its proper divisors (41717443986).

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

31151452014 is a wasteful number, since it uses less digits than its factorization.

31151452014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30362069 (or 30362063 counting only the distinct ones).

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

Adding to 31151452014 its reverse (41025415113), we get a palindrome (72176867127).

The spelling of 31151452014 in words is "thirty-one billion, one hundred fifty-one million, four hundred fifty-two thousand, fourteen".