201031232031 has 12 divisors (see below), whose sum is σ = 331861081552. Its totient is φ = 114874989696.

The previous prime is 201031232029. The next prime is 201031232041. The reversal of 201031232031 is 130232130102.

201031232031 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 312 + 320 + 31 = 666.

It is not a de Polignac number, because 201031232031 - 2¹ = 201031232029 is a prime.

It is a super-2 number, since 2×201031232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201031231995 and 201031232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031232011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1595485906 + ... + 1595486031.

Almost surely, 2^201031232031 is an apocalyptic number.

201031232031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201031232031 is a deficient number, since it is larger than the sum of its proper divisors (130829849521).

201031232031 is a wasteful number, since it uses less digits than its factorization.

201031232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190971950 (or 3190971947 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201031232031 its reverse (130232130102), we get a palindrome (331263362133).

The spelling of 201031232031 in words is "two hundred one billion, thirty-one million, two hundred thirty-two thousand, thirty-one".