131021132 has 12 divisors (see below), whose sum is σ = 250131336. Its totient is φ = 59555040.

The previous prime is 131021119. The next prime is 131021147. The reversal of 131021132 is 231120131.

It is a super-2 number, since 2×131021132² = 34333074061122848, which contains 22 as substring.

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, 1488833 + ... + 1488920.

It is an arithmetic number, because the mean of its divisors is an integer number (20844278).

Almost surely, 2^131021132 is an apocalyptic number.

It is an amenable number.

131021132 is a deficient number, since it is larger than the sum of its proper divisors (119110204).

131021132 is a wasteful number, since it uses less digits than its factorization.

131021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977768 (or 2977766 counting only the distinct ones).

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

The square root of 131021132 is about 11446.4462607396. The cubic root of 131021132 is about 507.9026153043.

Adding to 131021132 its reverse (231120131), we get a palindrome (362141263).

The spelling of 131021132 in words is "one hundred thirty-one million, twenty-one thousand, one hundred thirty-two".