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121379076031 is a prime number
BaseRepresentation
bin111000100001011000…
…0011011011110111111
3102121022010010221011111
41301002300123132333
53442041020413111
6131432154502451
711524613060143
oct1610260333677
9377263127144
10121379076031
1147527362384
121b635734a27
13b5a4b1aca5
145c3656d223
1532560b5a21
hex1c42c1b7bf

121379076031 has 2 divisors, whose sum is σ = 121379076032. Its totient is φ = 121379076030.

The previous prime is 121379076023. The next prime is 121379076043. The reversal of 121379076031 is 130670973121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121379076031 - 23 = 121379076023 is a prime.

It is a super-2 number, since 2×1213790760312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121379076011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60689538015 + 60689538016.

It is an arithmetic number, because the mean of its divisors is an integer number (60689538016).

Almost surely, 2121379076031 is an apocalyptic number.

121379076031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121379076031 is an equidigital number, since it uses as much as digits as its factorization.

121379076031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

It can be divided in two parts, 1213790 and 76031, that added together give a palindrome (1289821).

The spelling of 121379076031 in words is "one hundred twenty-one billion, three hundred seventy-nine million, seventy-six thousand, thirty-one".