113031213450 has 48 divisors (see below), whose sum is σ = 289983538080. Its totient is φ = 29102288320.

The previous prime is 113031213443. The next prime is 113031213499. The reversal of 113031213450 is 54312130311.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 113031213450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12987744 + ... + 12996443.

It is an arithmetic number, because the mean of its divisors is an integer number (6041323710).

Almost surely, 2^113031213450 is an apocalyptic number.

113031213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113031213450 is an abundant number, since it is smaller than the sum of its proper divisors (176952324630).

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

113031213450 is a wasteful number, since it uses less digits than its factorization.

113031213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25984231 (or 25984226 counting only the distinct ones).

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

Adding to 113031213450 its reverse (54312130311), we get a palindrome (167343343761).

The spelling of 113031213450 in words is "one hundred thirteen billion, thirty-one million, two hundred thirteen thousand, four hundred fifty".