31436011050 has 96 divisors (see below), whose sum is σ = 78785403840. Its totient is φ = 8294707200.

The previous prime is 31436011031. The next prime is 31436011051. The reversal of 31436011050 is 5011063413.

It is a self number, because there is not a number n which added to its sum of digits gives 31436011050.

It is not an unprimeable number, because it can be changed into a prime (31436011051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7327306 + ... + 7331594.

It is an arithmetic number, because the mean of its divisors is an integer number (820681290).

Almost surely, 2^31436011050 is an apocalyptic number.

31436011050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31436011050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39392701920).

31436011050 is an abundant number, since it is smaller than the sum of its proper divisors (47349392790).

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

31436011050 is a wasteful number, since it uses less digits than its factorization.

31436011050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808 (or 4803 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 31436011050 its reverse (5011063413), we get a palindrome (36447074463).

The spelling of 31436011050 in words is "thirty-one billion, four hundred thirty-six million, eleven thousand, fifty".