1131231002 has 8 divisors (see below), whose sum is σ = 1851105312. Its totient is φ = 514195900.

The previous prime is 1131230999. The next prime is 1131231053. The reversal of 1131231002 is 2001321311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25709774 + ... + 25709817.

It is an arithmetic number, because the mean of its divisors is an integer number (231388164).

Almost surely, 2^1131231002 is an apocalyptic number.

1131231002 is a deficient number, since it is larger than the sum of its proper divisors (719874310).

1131231002 is a wasteful number, since it uses less digits than its factorization.

1131231002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51419604.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1131231002 is about 33633.7776944547. Note that the first 3 decimals coincide. The cubic root of 1131231002 is about 1041.9585264763.

Adding to 1131231002 its reverse (2001321311), we get a palindrome (3132552313).

The spelling of 1131231002 in words is "one billion, one hundred thirty-one million, two hundred thirty-one thousand, two".