1031030102231 has 4 divisors (see below), whose sum is σ = 1091678931792. Its totient is φ = 970381272672.

The previous prime is 1031030102173. The next prime is 1031030102233. The reversal of 1031030102231 is 1322010301301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031030102231 is a prime.

It is a super-2 number, since 2×1031030102231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 60648829543 = 1031030102231 / (1 + 0 + 3 + 1 + 0 + 3 + 0 + 1 + 0 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031030102233) 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, 30324414755 + ... + 30324414788.

It is an arithmetic number, because the mean of its divisors is an integer number (272919732948).

Almost surely, 2^{1031030102231} is an apocalyptic number.

1031030102231 is a deficient number, since it is larger than the sum of its proper divisors (60648829561).

1031030102231 is an equidigital number, since it uses as much as digits as its factorization.

1031030102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60648829560.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1031030102231 its reverse (1322010301301), we get a palindrome (2353040403532).

The spelling of 1031030102231 in words is "one trillion, thirty-one billion, thirty million, one hundred two thousand, two hundred thirty-one".