31540234452000 has 96 divisors (see below), whose sum is σ = 103325808104064. Its totient is φ = 8410729184000.

The previous prime is 31540234451987. The next prime is 31540234452011. The reversal of 31540234452000 is 25443204513.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314164436 + ... + 1314188435.

It is an arithmetic number, because the mean of its divisors is an integer number (1076310501084).

Almost surely, 2^{31540234452000} is an apocalyptic number.

31540234452000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31540234452000 is an abundant number, since it is smaller than the sum of its proper divisors (71785573652064).

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

31540234452000 is a wasteful number, since it uses less digits than its factorization.

31540234452000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628352899 (or 2628352881 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 31540234452000 its reverse (25443204513), we get a palindrome (31565677656513).

The spelling of 31540234452000 in words is "thirty-one trillion, five hundred forty billion, two hundred thirty-four million, four hundred fifty-two thousand".