203470131540 has 96 divisors (see below), whose sum is σ = 618372034560. Its totient is φ = 49690561536.

The previous prime is 203470131533. The next prime is 203470131559. The reversal of 203470131540 is 45131074302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 203470131498 and 203470131507.

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, 927945 + ... + 1126064.

It is an arithmetic number, because the mean of its divisors is an integer number (6441375360).

Almost surely, 2^203470131540 is an apocalyptic number.

203470131540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203470131540 is an abundant number, since it is smaller than the sum of its proper divisors (414901903020).

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

203470131540 is a wasteful number, since it uses less digits than its factorization.

203470131540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054161 (or 2054159 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 203470131540 in words is "two hundred three billion, four hundred seventy million, one hundred thirty-one thousand, five hundred forty".