1231150002 has 16 divisors (see below), whose sum is σ = 2476535040. Its totient is φ = 408010832.

The previous prime is 1231149967. The next prime is 1231150031. The reversal of 1231150002 is 2000511321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592002 + ... + 594077.

It is an arithmetic number, because the mean of its divisors is an integer number (154783440).

Almost surely, 2^1231150002 is an apocalyptic number.

1231150002 is an abundant number, since it is smaller than the sum of its proper divisors (1245385038).

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

1231150002 is a wasteful number, since it uses less digits than its factorization.

1231150002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186257.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1231150002 is about 35087.7471776117. The cubic root of 1231150002 is about 1071.7750842694.

Adding to 1231150002 its reverse (2000511321), we get a palindrome (3231661323).

The spelling of 1231150002 in words is "one billion, two hundred thirty-one million, one hundred fifty thousand, two".