1203311130 has 48 divisors (see below), whose sum is σ = 3359452320. Its totient is φ = 275042208.

The previous prime is 1203311113. The next prime is 1203311143. The reversal of 1203311130 is 311133021.

1203311130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 407820 + ... + 410759.

It is an arithmetic number, because the mean of its divisors is an integer number (69988590).

Almost surely, 2^1203311130 is an apocalyptic number.

1203311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1203311130 is an abundant number, since it is smaller than the sum of its proper divisors (2156141190).

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

1203311130 is a wasteful number, since it uses less digits than its factorization.

1203311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818603 (or 818596 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1203311130 is about 34688.7752738548. The cubic root of 1203311130 is about 1063.6350606709.

Adding to 1203311130 its reverse (311133021), we get a palindrome (1514444151).

The spelling of 1203311130 in words is "one billion, two hundred three million, three hundred eleven thousand, one hundred thirty".