1903211132 has 48 divisors (see below), whose sum is σ = 3676936032. Its totient is φ = 858224640.

The previous prime is 1903211131. The next prime is 1903211197. The reversal of 1903211132 is 2311123091.

It is a super-2 number, since 2×1903211132² = 7244425225937442848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1903211098 and 1903211107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903211131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148832 + ... + 161112.

It is an arithmetic number, because the mean of its divisors is an integer number (76602834).

Almost surely, 2^1903211132 is an apocalyptic number.

It is an amenable number.

1903211132 is a deficient number, since it is larger than the sum of its proper divisors (1773724900).

1903211132 is a wasteful number, since it uses less digits than its factorization.

1903211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12398 (or 12396 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1903211132 is about 43625.8080956674. The cubic root of 1903211132 is about 1239.2596890438.

The spelling of 1903211132 in words is "one billion, nine hundred three million, two hundred eleven thousand, one hundred thirty-two".