101013431500 has 24 divisors (see below), whose sum is σ = 220613335488. Its totient is φ = 40405372400.

The previous prime is 101013431489. The next prime is 101013431557. The reversal of 101013431500 is 5134310101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101012932 + ... + 101013931.

It is an arithmetic number, because the mean of its divisors is an integer number (9192222312).

Almost surely, 2^101013431500 is an apocalyptic number.

101013431500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101013431500 is an abundant number, since it is smaller than the sum of its proper divisors (119599903988).

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

101013431500 is a wasteful number, since it uses less digits than its factorization.

101013431500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202026882 (or 202026870 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 101013431500 its reverse (5134310101), we get a palindrome (106147741601).

The spelling of 101013431500 in words is "one hundred one billion, thirteen million, four hundred thirty-one thousand, five hundred".