113121003430 has 64 divisors (see below), whose sum is σ = 209809087488. Its totient is φ = 43888440960.

The previous prime is 113121003421. The next prime is 113121003461. The reversal of 113121003430 is 34300121311.

It is a super-2 number, since 2×113121003430² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113121003398 and 113121003407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39181447 + ... + 39184333.

It is an arithmetic number, because the mean of its divisors is an integer number (3278266992).

Almost surely, 2^113121003430 is an apocalyptic number.

113121003430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113121003430 is a deficient number, since it is larger than the sum of its proper divisors (96688084058).

113121003430 is a wasteful number, since it uses less digits than its factorization.

113121003430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113121003430 its reverse (34300121311), we get a palindrome (147421124741).

The spelling of 113121003430 in words is "one hundred thirteen billion, one hundred twenty-one million, three thousand, four hundred thirty".