1201002232031 has 4 divisors (see below), whose sum is σ = 1372573979472. Its totient is φ = 1029430484592.

The previous prime is 1201002232019. The next prime is 1201002232043. The reversal of 1201002232031 is 1302322001021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1201002232019) and next prime (1201002232043).

It is a cyclic number.

It is not a de Polignac number, because 1201002232031 - 2¹⁸ = 1201001969887 is a prime.

It is a super-4 number, since 4×1201002232031⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201002237031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85785873710 + ... + 85785873723.

It is an arithmetic number, because the mean of its divisors is an integer number (343143494868).

Almost surely, 2^{1201002232031} is an apocalyptic number.

1201002232031 is a deficient number, since it is larger than the sum of its proper divisors (171571747441).

1201002232031 is an equidigital number, since it uses as much as digits as its factorization.

1201002232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171571747440.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1201002232031 its reverse (1302322001021), we get a palindrome (2503324233052).

The spelling of 1201002232031 in words is "one trillion, two hundred one billion, two million, two hundred thirty-two thousand, thirty-one".