31436523104 has 72 divisors (see below), whose sum is σ = 72708442128. Its totient is φ = 13339334400.

The previous prime is 31436523103. The next prime is 31436523113. The reversal of 31436523104 is 40132563413.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31436523103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59117 + ... + 257619.

It is an arithmetic number, because the mean of its divisors is an integer number (1009839474).

Almost surely, 2^31436523104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31436523104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36354221064).

31436523104 is an abundant number, since it is smaller than the sum of its proper divisors (41271919024).

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

31436523104 is a wasteful number, since it uses less digits than its factorization.

31436523104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198628 (or 198613 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 31436523104 in words is "thirty-one billion, four hundred thirty-six million, five hundred twenty-three thousand, one hundred four".